Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6465949 | Incandescent lamp filament | Katsuhiko Miahara, Masashi Dan, Minoru Asao, Yutaka Yamanizu | 2002-10-15 |
| 6375533 | Electricity lead-in body for bulb and method for manufacturing the same | Tetuya Torikai, Yukihiro Morimoto, Toyohiko Kumada, Yukiharu Tagawa, Kenzo Kai +1 more | 2002-04-23 |