Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7427448 | Portable device, case for portable device, and fuel cell structure | Yoshihiro Ito, Nobuaki Nagou, Tsuneo Sato, Seimei Ushiro, Yasuhiro Miwa | 2008-09-23 |
| 5086312 | Variable focal length camera with focus adjusting device | Yasuhiko Tanaka, Takao Koda, Yoshihiro Ide, Akio Ohmiya, Masaya Nozawa +2 more | 1992-02-04 |
| 4610522 | Mode change-over device for pre-winding type camera | Takashi Tobioka, Tetuo Nishizawa, Minoru Ishiguro, Toshio Yoshida, Seiji Asano +2 more | 1986-09-09 |
| 4586801 | Mode changing mechanism for pre-winding type photographic camera | Tetuo Nishizawa, Seiji Asano, Minoru Ishiguro, Takashi Tobioka, Toshio Yoshida +1 more | 1986-05-06 |