Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8536686 | Semiconductor device | — | 2013-09-17 |
| 6528931 | Electric light bulb with base held by positioning ring having elastic pieces and weld pieces | Masayuki Umehara, Kazumasa Sugiyama | 2003-03-04 |
| 5491349 | Multi-color light emitting device | Satoshi Komoto, Hiroshi Nagasawa | 1996-02-13 |
| 5324962 | Multi-color semiconductor light emitting device | Satoshi Komoto, Hiroshi Nagasawa | 1994-06-28 |
| 4655882 | Process for manufacturing zinc-silica composite plated steel | Minoru Hiramatsu, Fumio Kusano | 1987-04-07 |