Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6843698 | Arc tube and method of producing the same | Yoshihiro Mochizuki, Hiroshi Goto, Kunio Fukai, Ario Kawaguthi | 2005-01-18 |
| 6653785 | Arc tube with pinch seal and dimensional relationship and method for forming the same | Michio Takagaki, Masaya Shido, Yukihiro Kobayakawa, Nobuyuki Kasuya, Takeshi Fukuyo +1 more | 2003-11-25 |
| 6557379 | Method of producing an arc tube | Masakazu Nagasawa, Hiroshi Goto | 2003-05-06 |
| 6528931 | Electric light bulb with base held by positioning ring having elastic pieces and weld pieces | Kazumasa Sugiyama, Hitoshi Kawasaki | 2003-03-04 |
| 6215236 | Halogen lamp having thick wall pinch seal portion | Hiroshi Gotoh | 2001-04-10 |
| 5994825 | Electric lamp with a base | Hiroshi Goto | 1999-11-30 |