Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8339051 | Electronic flash unit and manufacturing method thereof | Hirohiko Ina, Arata Sakamoto, Shohei Uno, Toshinori Maki, Naoyuki Furutsuka +8 more | 2012-12-25 |
| 7652434 | Electronic flash unit and manufacturing method thereof | Hirohiko Ina, Arata Sakamoto, Shohei Uno, Toshinori Maki, Naoyuki Furutsuka +8 more | 2010-01-26 |
| 6011929 | Flash apparatus capable of varying emission angle | Mitsuo Fuke, Katsunori Kawabata | 2000-01-04 |
| 5911085 | Variable emission angle strobe light and control method therefor | Mitsuo Fuke, Takashi Umehara, Katsunori Kawabata | 1999-06-08 |
| 5869936 | Strobe device | Takanaru Kobayashi | 1999-02-09 |
| 5852751 | Strobe light and image recorder containing that strobe light | Katsunori Kawabata | 1998-12-22 |
| 5734934 | Emission angle variable flash apparatus | Akira Iwamoto, Mitsuo Fuke, Katsunori Kawabata, Shinji Ando | 1998-03-31 |
| 4899086 | Electroluminescence light emission apparatus | Shinji Hirata | 1990-02-06 |
| 4603958 | Automatic electronic flash | Yuji Maruyama | 1986-08-05 |
| 4469990 | Electronic flash device | Yuji Maruyama | 1984-09-04 |
| 4441797 | Electronic flash device capable of automatically controlling the quantity of a flash of light | Yuji Maruyama | 1984-04-10 |
| 4344020 | Electronic flash device capable of automatic flash duration adjustment | — | 1982-08-10 |