Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8400703 | Optical switch | Fujio Okumura, Osamu Ishibashi | 2013-03-19 |
| 7678485 | Fuel cartridge, fuel cell and portable electrical appliance including fuel cell | Yasutaka Kono, Yoshimi Kubo, Tsutomu Yoshitake, Takashi Manako, Hiroshi Kajitani +3 more | 2010-03-16 |
| 7645536 | Fuel cell, fuel cartridge and fuel cell system | Yoshimi Kubo, Tsutomu Yoshitake, Takashi Manako, Hiroshi Kajitani, Hidekazu Kimura +3 more | 2010-01-12 |
| 7618733 | Fuel cell | Satoshi Tomoeda, Takashi Manako, Tsutomu Yoshitake, Yoshimi Kubo | 2009-11-17 |
| 4751335 | Process for preparing a fluid for traction drive | Junichi Kubo, Kenji Suzuki, Kozo Kamiya, Masao Nambu | 1988-06-14 |