Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D276186 | Compact fluorescent lamp | Yoshio Kojima | 1984-10-30 |
| D274656 | Compact fluorescent lamp | Yoshio Kojima | 1984-07-10 |
| D274472 | Compact fluorescent lamp | — | 1984-06-26 |
| D272096 | Compact fluorescent lamp | — | 1984-01-03 |
| D272097 | Compact fluorescent lamp | — | 1984-01-03 |
| D272002 | Compact fluorescent lamp | Nobuhiro Umehara, Yoshio Kojima | 1983-12-27 |
| D272000 | Compact fluorescent lamp | Yoshio Kojima, Nobuhiro Umehara | 1983-12-27 |
| D272001 | Compact fluorescent lamp | — | 1983-12-27 |
| D271996 | Compact fluorescent lamp | Yoshio Kojima, Nobuhiro Umehara | 1983-12-27 |
| D271997 | Compact fluorescent lamp | Taketo Kamei, Kimio Osada, Nobuhiro Umehara, Yoshio Kojima | 1983-12-27 |
| D271998 | Compact fluorescent lamp | Yoshio Kojima, Nobuhiro Umehara | 1983-12-27 |
| D271999 | Compact fluorescent lamp | — | 1983-12-27 |
| D271908 | Lamp | Yoshio Kojima, Hisaaki Katoh | 1983-12-20 |
| D271907 | Compact fluorescent lamp | — | 1983-12-20 |