Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6563068 | Dome-shaped contact plate giving crispy feeling of click and sheet with contact plate | Katsuaki Shimatani | 2003-05-13 |
| 6548779 | Sheet having moving contacts and sheet switch | Katsutoshi Takahashi, Naoya Iwama | 2003-04-15 |
| 6417467 | Sheet with movable contacts and sheet switch | — | 2002-07-09 |
| 6271491 | Push button switch including dome-shaped movable contact having reverse function | Yutaka Ono, Naoya Iwama | 2001-08-07 |
| 6259046 | Sheet with movable contacts and sheet switch | Naoya Iwama | 2001-07-10 |
| 6083645 | Secondary battery using system and material for negative electrode of secondary battery | Seiji Takeuchi, Hidetoshi Honbo, Tatsuo Horiba, Yasushi Muranaka | 2000-07-04 |
| 4407904 | Fuel cell | Norihira Uozumi, Saburo Yasukawa, Yasuyuki Tsutsumi, Seiichiro Ono | 1983-10-04 |
| 4294803 | Apparatus for preventing coking in fluidized bed reactor for cracking heavy hydrocarbon oil | Seiichi Uchida, Yoshihito Satomi, Norihiro Kiuchi, Susumu Yoshioka, Tomohiko Miyamoto +1 more | 1981-10-13 |
| 4220518 | Method for preventing coking in fluidized bed reactor for cracking heavy hydrocarbon oil | Seiichi Uchida, Yoshihito Satomi, Norihiro Kiuchi, Susumu Yoshioka, Tomohiko Miyamoto +1 more | 1980-09-02 |