Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5463270 | Insulating base for discharge lamp device | Yukio Wakimizu, Kunimasa Motiduki | 1995-10-31 |
| 5432399 | Discharge lamp apparatus | Yukio Wakimizu, Masami Handa, Kunimasa Motiduki | 1995-07-11 |
| 5286227 | Arc tube and method for manufacturing the same | Yasuyoshi Numajiri, Shinichi Irisawa, Kunio Fukai | 1994-02-15 |
| 5220235 | Discharge lamp device | Yukio Wakimizu, Yasuyoshi Numajiri, Shinichi Irisawa, Yonemasa Yoshida | 1993-06-15 |
| 5186671 | Manufacturing method of discharge lamp electrode | Masami Handa, Kunio Fukai, Yasuo Hirozumi | 1993-02-16 |
| 5177397 | Discharge lamp assembly with insulating tubular member and metal band around pinch seal | Nobuo Ohkawai, Goichi Oda, Masaya Shidoh, Shinichi Irisawa, Yukio Wakimizu | 1993-01-05 |
| 5059855 | Discharge lamp base construction | Shinichi Irisawa, Yukio Wakimizu | 1991-10-22 |
| 4769574 | Incandescent lamp with a metal coupling to a plastic lamp base for automotive headlamp and like lighting applications | Mitsuhiro Okano | 1988-09-06 |
| 4339685 | Sealed beam lamp assembly | Norio Saguchi, Hideki Ishii, Yoshiaki Sakakibara, Osami Saitoh, Yukio Wakimizu +1 more | 1982-07-13 |