Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10371261 | Martensitic stainless-steel sheet and metal gasket | Hiroyasu MATSUBAYASHI, Junichi Katsuki, Ryoji Hirota | 2019-08-06 |
| 10125404 | Method for producing high elastic limit nonmagnetic steel material using an austenitic stainless steel sheet | Hiroyasu MATSUBAYASHI, Ryoji Hirota | 2018-11-13 |
| 10060003 | Austenitic stainless steel sheet and metal gasket | Hiroyasu MATSUBAYASHI, Junichi Katsuki, Ryoji Hirota | 2018-08-28 |
| 9932650 | Ferritic stainless steel material for brazing and heat exchanger member | Manabu Oku, Yoshiaki Hori | 2018-04-03 |
| 9921130 | Fatigue testing device | Hiroyasu MATSUBAYASHI, Akira HIRONAKA, Ryoji Hirota | 2018-03-20 |
| 8206091 | Exhaust guide member of nozzle vane-type turbocharger | Manabu Oku, Yoshiaki Hori | 2012-06-26 |
| 7670444 | Non-heat treated steel for hot forging with easy fracture splitting | Koichiro Inoue, Kouji Itakura, Yoshio Okada, Noriyuki Shiwaku, Jun Yoshida +4 more | 2010-03-02 |
| 6808571 | Heat resistant carburized rolling bearing component and manufacturing method thereof | Hiromasa Tanaka, Kikuo Maeda, Tosiya Kinami | 2004-10-26 |
| 6582532 | Steel for large bearing and parts for large bearing | Yutaka Kurebayashi, Kiyoyuki Hattori, Katsuhiko Kizawa | 2003-06-24 |
| 6569267 | High bearing pressure-resistant member | Tsuyoshi Nakamura, Toshimitsu Kimura, Takurou Yamaguchi, Keizo Otani, Noriko Uchiyama +2 more | 2003-05-27 |
| 6316117 | Stainless steel sheet having Cu-enriched grains dispersed in its matrix and/or a Cu-condensed layer | Naoto Hiramatsu, Kazuyuki KAGEOKA | 2001-11-13 |
| 6203630 | Steel for induction quenching and machinery structural parts using the same | Yasushi Matsumura, Yutaka Kurebayashi | 2001-03-20 |
| 5861068 | Method of using stainless steel having anti-microbial property | Morihiro Hasegawa, Katsuhisa Miyakusu, Naoto Okubo | 1999-01-19 |
| 5733388 | Steel composition for bearings and method of producing the same | Yutaka Kurebayashi, Masao Goto, Atsuhiko Ohta | 1998-03-31 |
| 5595613 | Steel for gear, gear superior in strength of tooth surface and method for producing same | Atsumi Hatano, Makoto Yoshida, Yoshio Okada, Takashi Matsumoto | 1997-01-21 |
| 5302214 | Heat resisting ferritic stainless steel excellent in low temperature toughness, weldability and heat resistance | Yoshihiro Uematsu, Naoto Hiramatsu | 1994-04-12 |
| 5279688 | Steel shaft material which is capable of being directly cut and induction hardened and a method for manufacturing the same | Kenji Isokawa, Toshimitsu Fujii | 1994-01-18 |
| 5102479 | High strength non-heat refining free cutting steels | Toshihiko Matsubara, Yasunori Sato | 1992-04-07 |
| 4849166 | High strength stainless steel | Kazuo Hoshino, Sadao Hirotsu | 1989-07-18 |
| 4847168 | Slicing saw blade | Sadao Hirotsu, Kazuo Hoshino | 1989-07-11 |
| 4810465 | Free-cutting Ti alloy | Atsuyoshi Kimura | 1989-03-07 |
| 4806304 | Free cutting steel | Atsuyoshi Kimura, Makoto Saito | 1989-02-21 |
| 4434006 | Free cutting steel containing controlled inclusions and the method of making the same | Tetsuo Kato, Shozo Abeyama, Atsuyoshi Kimura, Shigenobu Sekiya | 1984-02-28 |
| 4326886 | Steel for cold forging having good machinability and the method of making the same | Shozo Abeyama, Makoto Saito, Atsuyoshi Kimura | 1982-04-27 |
| 4279646 | Free cutting steel containing sulfide inclusion particles with controlled aspect, size and distribution | Tetsuo Kato, Shozo Abeyama, Atsuyoshi Kimura | 1981-07-21 |