Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5922369 | Apparatus for making a synthetic resin layered lens for a vehicle lighting device | Hirokazu Yanagihara | 1999-07-13 |
| 5756013 | Method of molding a synthetic resin layered lens for a vehicle headlight | Hirokazu Yanagihara | 1998-05-26 |
| 5721039 | Synthetic resin layered lens for a vehicle lighting device, method of molding the same and apparatus therefore | Hirokazu Yanagihara | 1998-02-24 |
| 5642228 | Resin-molded lens having no sink marks and process for producing same | Hirokazu Yanagihara | 1997-06-24 |