Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8970360 | Apparatus for promoting improvement of driving skill to improve fuel efficiency | Yuji Fujiki, Hideharu Takemoto | 2015-03-03 |
| 6571056 | Waterproof case for camera | Takashi Shimamura | 2003-05-27 |
| 5548446 | Lens body tube with built-in converter lens | — | 1996-08-20 |
| 5382982 | Television receiver with multiple inputs and outputs for automatically switching between inputs | — | 1995-01-17 |
| 4848884 | Variable focusing lens barrel | — | 1989-07-18 |