Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6804189 | Near field optical recording medium | Toshio Inase, Koyata Takahashi, Koji Katayama, Kenichi Sekimoto, Toru Futami +1 more | 2004-10-12 |
| 6798734 | Optical recording medium having address pits in the header region connecting with each other | Koyata Takahashi, Kenichi Sekimoto, Toru Futami, Shigeru Hiramatsu, Mutsumi Asano +2 more | 2004-09-28 |
| 5939018 | Martensitic stainless steels for seamless steel pipe | Hiroshi Ohtsubo, Isao Takada | 1999-08-17 |
| 5338616 | Far-infrared emitter of high emissivity and corrosion resistance and method for the preparation thereof | Kazuhide Ishii, Noriyuki Kuriyama, Shoji Dohi, Akio Nakashiba, Souhei Miyazaki | 1994-08-16 |
| 5213629 | Ear-infrared emitter of high emissivity and corrosion resistance and method for the preparation thereof | Kazuhide Ishii, Noriyuki Kuriyama, Shoji Dohi, Akio Nakashiba, Souhei Miyazaki | 1993-05-25 |
| 5085829 | Oxidation resistant Fe-Cr-Al steel | Kazuhide Ishii | 1992-02-04 |
| 4904540 | Fe-Cr-Al stainless steel having high oxidation resistance and spalling resistance and Fe-Cr-Al steel for catalyst substrate of catalytic converter | Kazuhide Ishii | 1990-02-27 |
| 4859297 | Process for descaling cold-rolled and annealed stainless steel strip | Kanji I, Eiko Yasuhara | 1989-08-22 |
| 4604887 | Duplex stainless steel seamless pipe and a method for producing the same | Hiroshi Ohtsubo, Isao Takada | 1986-08-12 |
| 4533806 | Method of manufacturing bimetallic tubes | Isao Takada, Hiroshi Ohtsubo | 1985-08-06 |