Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D718240 | Bulb socket | Masanori Nagasawa, Mitsuru Yasuma | 2014-11-25 |
| D717247 | Bulb socket | Masanori Nagasawa, Mitsuru Yasuma | 2014-11-11 |
| D716733 | Bulb socket | Masanori Nagasawa, Mitsuru Yasuma | 2014-11-04 |
| 7244056 | Vehicle lamp | Teruo Koike, Ken Kagaya, Yoshiaki Akiyama | 2007-07-17 |