Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10774405 | Steel and method of manufacturing the same | Koutarou Hayashi, Kazuya Mishio, Shuhei Shimokawa | 2020-09-15 |
| 10266911 | Hot-formed member and manufacturing method of same | Koutarou Hayashi | 2019-04-23 |
| 10090678 | Production energy management system and computer program | Tomoyuki Ikeyama, Hiroshi Watanabe, Ken Inoue | 2018-10-02 |
| 9680162 | Stainless steel sheet for a separator for a solid polymer fuel cell and a solid polymer fuel cell employing the separator | Hideya Kaminaka, Junko IMAMURA, Kouichi Takeuchi | 2017-06-13 |
| 8100313 | Source blank for stainless steel three-ply clad sheet, production methods of clad steel plate and sheet for solid polymer type fuel cell separator, and solid polymer type fuel cell separator | Motomichi Kanbe, Kunihiko Ushio, Takeo Yazawa, Hideaki Yamamoto, Yoshio Tarutani | 2012-01-24 |
| 7776486 | Titanium-based material for fuel cell separators and a method for the production thereof | Yoshio Tarutani, Takashi Maeda, Wataru Takahashi, Takashi Doi | 2010-08-17 |
| 6379476 | Stainless steel product for producing polymer electrode fuel cell | Yoshio Tarutani, Takashi Doi, Shinji Fukuta | 2002-04-30 |
| 5957190 | Method of integrally attaching hollow member to cast product by casting and apparatus therefor | Hisaya Morishita, Shigeki Tamura, Mitsuru Inui | 1999-09-28 |
| 5206883 | Violation control circuit in | — | 1993-04-27 |
| 4770703 | Sintered stainless steel and production process therefor | Yoshio Tarutani, Takeo Kudo, Masaru Nishiguchi | 1988-09-13 |
| 4676964 | Process for purifying silica | Yuuki Narita, Yoshio Aso, Shunro Nagata | 1987-06-30 |
| 4655831 | Method of stabilizing a steel making slag | Kunihiko Ishizaka, Fumio SUDO, Yoshio Aso | 1987-04-07 |