Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5200159 | Purified solution containing iron and manganese, and method producing thereof | Naoe Hirai, Tohoru Murase, Katsunobu Okutani | 1993-04-06 |
| 5032367 | Method for producing powdered iron oxide | Naoe Hirai, Tohoru Murase, Katsunobu Okutani | 1991-07-16 |
| 4866379 | Tilt sensor having central first bottom surface and second contiguous bottom surface at an angle thereto | Yoshimoto Odagawa, Yasushi Yanagisawa, Hiraku Imaizumi, Takashi Shioura, Kazuhiro Okada +1 more | 1989-09-12 |
| 4700008 | 4,8-dimethylbicyclo(3.3.1)nonane derivatives | Makoto Takeda, Hiroshi Iwane, Akira Yoshida | 1987-10-13 |
| 4502933 | Apparatus for electrolytic treatment to metal web | Hiroshi Shirai, Tsutomu Kakei, Tsuneyasu Matsuhisa, Masaru Watanabe | 1985-03-05 |
| 4390407 | Electrolytic processing device for belt-shaped metal plates | Hiroshi Shirai, Tsutomu Kakei, Masaru Watanabe, Tsuneyasu Matsuhisa | 1983-06-28 |