Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10391925 | Vehicle headlight with a plurality of inner non spherical lenses transmitting light from a high beam and a low beam light source | Nobuyuki Takenaka | 2019-08-27 |
| 9441804 | Vehicle lamp | Tsuyoshi Oguchi, Shigeru Kodaira, Nobuyuki Takenaka | 2016-09-13 |
| 8961946 | Hair processing agent and method for permanent waving hair | Akira Shibuya, Makoto Saito, Motoaki Kamachi, Atsushi Tsuchiya, Akio Okamura | 2015-02-24 |
| 8258340 | Method for producing β-mercapto carboxylic acids | Akio Kuroiwa, Akira Shibuya | 2012-09-04 |
| 7902383 | Production method of heterocyclic mercapto compound | Shinichi Yorozuya | 2011-03-08 |