Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6299335 | Vehicular head lamp | Katutada Shirai | 2001-10-09 |
| 6247834 | Vehicle headlamp | — | 2001-06-19 |
| 6234655 | Automobile headlamp having light distribution switching mechanism | Katutada Shirai | 2001-05-22 |
| 6017137 | Automobile headlamp | Masahiro Kusagaya, Katutada Shirai | 2000-01-25 |
| 5951157 | Automobile headlamp | Katutada Shirai | 1999-09-14 |
| 5906428 | Vehicle lamp with discharge bulb | Takashi Hori, Hitoshi Takeda, Masatoshi Yoneyama, Hirokazu Endo | 1999-05-25 |
| 5678915 | Easy-to-assemble aiming mechanism for vehicle lamps | Katutada Shirai, Hironori Tsukamoto | 1997-10-21 |
| 5546283 | Vehicular headlamp having improved assembly efficiency | Yasushi Ohtsuka, Katutada Shirai, Ken Matsuoka, Hideki Ohashi | 1996-08-13 |
| 5508896 | Aiming mechanism for vehicular headlamp | Katutada Shirai | 1996-04-16 |