Issued Patents All Time
Showing 1–25 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10465266 | Heat-resistant tungsten alloy, friction stir welding tool, and production method | Ayuri Tsuji, Shigekazu Yamazaki, Noboru Uenishi | 2019-11-05 |
| 10174410 | Heat-resistant molybdenum alloy | Takanori Kadokura, Hidenobu Nishino, Ayuri Tsuji, Shigekazu Yamazaki | 2019-01-08 |
| 10100390 | Heat-resistant molybdenum alloy | Takanori Kadokura, Hidenobu Nishino, Ayuri Tsuji, Shigekazu Yamazaki | 2018-10-16 |
| 10011890 | Sodium tungstate production method | Takeshi Itakura, Yoshiharu Yamamoto | 2018-07-03 |
| 9970082 | Heat-resistant alloy and method of manufacturing the same | Shigekazu Yamazaki, Ayuri Tsuji, Masahiro Katoh | 2018-05-15 |
| 9884367 | Mo—Si—B-based alloy powder, metal-material raw material powder, and method of manufacturing a Mo—Si—B-based alloy powder | Shigekazu Yamazaki, Ayuri Tsuji, Masahiro Katoh, Seiji Nakabayashi | 2018-02-06 |
| 9512504 | Method for producing sodium tungstate, method for collecting tungsten, apparatus for producing sodium tungstate, and method for producing sodium tungstate aqueous solution | Yoshiharu Yamamoto, Kazuo Sasaya, Takayuki Fudo, Akira Nakano, Syunsuke Yamanaka +2 more | 2016-12-06 |
| 9249479 | Method for producing sodium tungstate, method for collecting tungsten, apparatus for producing sodium tungstate, and method for producing sodium tungstate aqueous solution | Yoshiharu Yamamoto, Kazuo Sasaya, Takayuki Fudo, Akira Nakano, Syunsuke Yamanaka +2 more | 2016-02-02 |
| 8993095 | Composite material and coated cutting tool | Tomoyuki Ishida, Hideki Moriguchi | 2015-03-31 |
| 8974674 | Method for producing ammonium tungstate aqueous solution | Hideaki Ito, Takeshi Itakura, Yoshiharu Yamamoto, Kazuo Sasaya, Takuya Okuno +2 more | 2015-03-10 |
| 8920079 | Joined product | Kimihiro Ozaki, Keizo Kobayashi, Hideki Moriguchi, Tomoyuki Ishida, Nobuyuki Kitagawa | 2014-12-30 |
| 8801816 | Cemented carbide and cutting tool using same | Takuya Okuno, Kazuhiro Hirose, Hideki Moriguchi, Kazuo Sasaya, Yoshiharu Yamamoto | 2014-08-12 |
| 8632747 | Method for producing sodium tungstate, method for collecting tungsten, apparatus for producing sodium tungstate, and method for producing sodium tungstate aqueous solution | Yoshiharu Yamamoto, Kazuo Sasaya, Takayuki Fudo, Akira Nakano, Syunsuke Yamanaka +2 more | 2014-01-21 |
| 7090914 | Coated cutting tool | Kazuo Yamagata | 2006-08-15 |
| 6881475 | Amorphous carbon coated tool and fabrication method thereof | Satoshi Ohtani, Naoto Okazaki, Kiyoshi Ogata, Haruyo Fukui, Miki Irie +5 more | 2005-04-19 |
| 6756111 | Coated hard alloy | Yoshio Okada, Hideki Moriguchi | 2004-06-29 |
| 6592726 | Vacuum arc evaporation method, vacuum arc evaporation system, and rotary cutting tool | Yasuhisa Hashimoto, Kazuo Yamagata | 2003-07-15 |
| 6299658 | Cemented carbide, manufacturing method thereof and cemented carbide tool | Hideki Moriguchi | 2001-10-09 |
| 6293739 | Coated cemented carbide cutting tool | Katsuya Uchino | 2001-09-25 |
| 6202769 | Drilling stabilizer | Keiichi Tsuda | 2001-03-20 |
| 6187421 | Coated tool of cemented carbide | Hideki Moriguchi, Kazuo Yamagata | 2001-02-13 |
| 6183846 | Coated hard metal material | Hideki Moriguchi, Nobuyuki Kitagawa, Katsuya Uchino | 2001-02-06 |
| 6162412 | Chemical vapor deposition method of high quality diamond | Naoji Fujimori, Takahiro Imai, Nobuhiro Ota, Takayuki Shibata | 2000-12-19 |
| 6089750 | Noncontact temperature distribution measuring apparatus | Daisuke Murakami, Hideki Moriguchi | 2000-07-18 |
| 6082936 | Coated hard metal tool | Hideki Moriguchi | 2000-07-04 |