Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6152568 | Lighting apparatus and display apparatus having the same | Masaharu Baba | 2000-11-28 |
| 5209668 | Socket with a lamp without a metallic base | Munehiko Yanagida, Tetsuya Sato, Masakazu Yanagiya | 1993-05-11 |
| D334243 | Electric lamp | Masakazu Yanagiya, Tetuya Sato, Munehiko Yanagida | 1993-03-23 |