Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8427056 | High-intensity discharge lamp | Atsushi Utsubo, Shunsuke Kakisaka, Masahito Yoshida, Yukiya Kanazawa | 2013-04-23 |
| 6462477 | High pressure discharge lamp | Masato Wada, Akira Mii | 2002-10-08 |
| 6366019 | High-pressure sodium lamp | Masato Wada | 2002-04-02 |