Ultra – low friction characteristic of titanium diboride (TiB2) thin films at elevated temperature due to excess addition of boron, Wataru YAMATO, Masao KOHZAKI, Journal of Advanced Science, 33( 33103), n/a- n/a, Jun. 2021, 10.2978/jsas.33103,  

Expansion of Temperature Range Showing Low Frictional Properties in TiB₂-MoS₂ Composite Films, Masao KOHZAKI, Wataru YAMATO, Journal of the Japan Society for Precision Engineering, 87( 1), 151- 156, Jan. 5, 2021, 10.2493/jjspe.87.151,  

Improvement of Frictional Properties of B-C Sputtered Coatings by Introducing CH₄ and Evaluation of Their Cutting Performance, KOHZAKI Masao, SHIMADA Shunki, Journal of the Japan Society for Precision Engineering, 82( 2), 198- 204, Feb. 2016, 10.2493/jjspe.82.198,  

Improvement of mechanical properties and application for cutting tools of TiB₂-base thin films, KOHZAKI Masao, SHIMADA Shunki, Journal of the Japan Society for Abrasive Technology, 59( 12), 711- 716, Dec. 2015, 10.11420/jsat.59.711,  

Preparation of High Lubricious and Hard Sputtered Films with TiN+MoS2 Composite Target and Improvement of Their Adhesive Strength, , Journal of the Japan Society for Precision Engineering, 78( 3), 241- 245, Mar. 2012, 10.2493/jjspe.78.241,  

Application of Ti-doped amorphous carbon films for artificial hip joint, KOHZAKI Masao, MORINAGA Yudai, JSAT, 55( 2), 98- 101, Feb. 2011, 10.11420/jsat.55.98,  

Production of High Lubricious Titanium Nitride - Molybdenum Disulfide Composite Thin Films, KOHZAKI Masao, SUZUKI Keinosuke, Journal of Japanese Society of Tribologists, 54( 3), 201- 208, Mar. 2009, ,  

1245 Reducing the friction coefficient of Ti-B-C thin film and its application to cutting tools, Suzuki Keinosuke, Kohzaki Masao, The proceedings of the JSME annual meeting, 2008,  335- 336, 2008, 10.1299/jsmemecjo.2008.6.0_335,  

Preparation of Boron Containing Thin Films by Magnetron Sputtering Method and Evaluation of Their Mechanical Properties : Influences of Reactive Gas Addition, KOHZAKI Masao, Journal of the Japan Society for Precision Engineering. Supplement. Contributed papers, 72( 6), 756- 760, Jun. 2006, 10.2493/jspe.72.756,  

Development of Ti-B-C coated tool for cutting of titanium alloy, , Proceedings of the School of Engineering of Tokai University, 48( 1), 143- 148, 2008,  

Improvement of adhesive strength for Ti-doped DLC films by heat treatment in vacuum, , Proceedings of the School of Engineering of Tokai University, 48( 1), 137- 142, 2008,  

Reduction in Friction of TiN Thin Film by Molybdenum Disulfide Addition, SAKAKI Takashi, KOHZAKI Masao, Proceedings of the Faculty of Engineering of Tokai University, 46( 1), 61- 66, 2006,  

Preparation of Boron Containing Thin Films by Magnetron Sputtering Method and Evaluation of Their Mechanical Properties : Influences of Reactive Gas Addition, KOHZAKI Masao, Journal of the Japan Society for Precision Engineering. Supplement. Contributed papers, 72( 6), 756- 760, 2006,  

Improvement of Dry Cutting Performance with Metal-Doped DLC-Coated Tool, MATSUMOTO Katsuya, SUGIURA Yuya, KOHZAKI Masao, Proceedings of the Faculty of Engineering of Tokai University, 46( 1), 55- 60, 2006,  

Consideration of deformation of TiN thin films with preferred orientation prepared by ion-beam-assisted deposition, Toshiyuki Hayashi,Akihito Matsumuro,Tomohiko Watanabe,Toshihiko Mori,Yutaka Takahashi,Katsumi Yamaguchi, Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A, 65( 636), 1818- 1823, 1999,  

Mechanical properties of TiN films with preferred orientation by nano-indentation method, Akihito Matsumuro,Tomohiko Watanabe,Toshiyuki Hayashi,Mutsuo Muramatsu,Yutaka Takahashi, Zairyo/Journal of the Society of Materials Science, Japan, 48( 12), 1423- 1427, 1999,  

Variation in the Preferred Orientations of TiN Thin Films Prepared by Ion-Beam-Assisted Deposition, HAYASHI Toshiyuki, MATSUMURO Akihito, MURAMATSU Mutsuo, KOHZAKI Masao, TAKAHASHI Yutaka, YAMAGUCHI Katsumi, Journal of the Japan Society of Precision Engineering, 65( 9), 1340- 1344, 1999,  

Influence of Ar Ion Addition on Synthesis of Carbon Nitride Films by Ion-Beam-Assisted Deposition, KOHZAKI Masao, MATSUMURO Akihito, MURAMATSU Mutsuo, HAYASHI Toshiyuki, YAMAGUCHI Katsumi, Journal of the Japan Society of Precision Engineering, 64( 1), 152- 156, 1998,  

Change of solubility limit of Pb in Al by high-pressure treatments, Iwao Kondo,Masafumi Senoo,Yutaka Takahashi,Shigeo Kotake,Akihito Matsumuro, Zairyo/Journal of the Society of Materials Science, Japan, 46( 11), 1319- 1322, 1997,  

High-Pressure Consolidation and Mechanical Properties of Quasicrystalline Materials of Mg-Al-Zn Alloys, Akihito Matsumuro, Kenji Kato, Tsunehiro Takeuchi, Transactions of the Japan Society of Mechanical Engineers Series A, 59( 566), 2338- 2342, 1993,  

Improvement of high temperature lubricious properties of low frictional composite films by using reaction of boron and development of machining technology with high efficiency, Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C),  Apr. 2021 - Mar. 2025,  

Development of coating material for cutting tools with friction coefficient of 0.01 at high temperature without librication, , ,  Oct. 2019 - Mar. 2022,  

Development of composite films containing boron with friction coefficient of 0.01 at 500℃ without lubrication, , ,  Apr. 2019 - Feb. 2021,  

Production of low frictional coated tools and development of machining technology with low cutting force by using reaction with fine bubble in cutting oil, , ,  Apr. 2018 - Mar. 2019,  

Production of ultra low frictional thin films for cutting tool and development of near dry machining by surface reaction on cutting tool, Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C),  Apr. 2017 - Mar. 2020, Kohzaki Masao 

Production of ultra low frictional thin films for cutting tool and development of near dry machining by surface reaction on cutting tool, Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C),  Apr. 2017 - Mar. 2020, Kohzaki Masao 

Improvement of cutting performance of coated tools by using production and melting of B2O3, , ,  Oct. 2014 - Mar. 2016,  

development of tib2+a-mos2 coated tool for cutting difficult-to-machine materials with high efficiency under a very small amount of cutting oil, Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C),  Apr. 2014 - Mar. 2017, Kohzaki Masao 

development of tib2+a-mos2 coated tool for cutting difficult-to-machine materials with high efficiency under a very small amount of cutting oil, Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C),  Apr. 2014 - Mar. 2017, Kohzaki Masao 

Development of coated tools with high cutting efficiency against Ti alloy, , ,  Apr. 2011 - Mar. 2012,  

Application of Ti added DLC films with high adhesive strength to artificial hip joint, , ,  Apr. 2010 - Mar. 2011,  

Research about improvement of surface finishing at dry cutting of heat-resistant alloy with boron rich coated tools, , ,  Dec. 2009 - Nov. 2010,  

Production of metal added DLC films with high adhesive strength by heating in vacuum, , ,  Apr. 2008 - Mar. 2009,  

Application of TiN films with low frictional properties by adding MoS2 to cutting tools, , ,  Oct. 2007 - Mar. 2009,  

Modification of die surface by coating of MoS2-TiN composite films with excellent lubricity, , ,  Apr. 2007 - Mar. 2008,  

Production of metal added DLC films for cutting tools with high adhesive strength by heating in vacuum, , ,  Oct. 2006 - Mar. 2008,  

Production of columnar B-C-N hard films by sputtering and development of frictional properties by using the films, , ,  Oct. 2004 - Mar. 2006,