Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4972119 | Ceramic envelope device for high-pressure discharge lamp, and method for producing the same | Mikio Kariya | 1990-11-20 |
| 4825126 | Ceramic envelope device for high-pressure discharge lamp | Mikio Kariya | 1989-04-25 |
| 4808881 | Ceramic envelope device for high-pressure discharge lamp | Mikio Kariya | 1989-02-28 |
| 4800320 | Discharge tube for a high pressure metal vapor discharge lamp and a method of manufacturing the same | Takehiro Kajihara, Senji Atsumi | 1989-01-24 |
| 4742269 | Ceramic envelope device for high-pressure discharge lamp | Mikio Kariya | 1988-05-03 |
| 4731561 | Ceramic envelope device for high-pressure discharge lamp | Takehiro Kajihara, Senji Atsumi | 1988-03-15 |
| 4687969 | Discharge tube for a high pressure metal vapor discharge lamp and a method of manufacturing the same | Takehiro Kajihara, Senji Atsumi | 1987-08-18 |
| 4665344 | Ceramic envelope device for high-pressure discharge lamp | Takehiro Kajihara, Senji Atsumi | 1987-05-12 |