Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840593 | Low pressure mercury vapor discharge lamp and preparation thereof | Hitoshi Yamazaki, Yoshiteru Taniguchi, Norihiko Tanaka, Hiroshi Ito, Minoru Uchida +1 more | 1989-06-20 |
| 4746346 | Method for producing air-tight, heat-resistant plate | Tadaki Murakami, Kiyoshi Takata, Kazuharu Kato, Kazuo Okahashi, Hitoshi Yamazaki | 1988-05-24 |
| 4725298 | Method for making low pressure mercury vapor discharge lamp | Hitoshi Yamazaki, Yoshiteru Taniguchi, Norihiko Tanaka, Hiroshi Ito, Minoru Uchida +1 more | 1988-02-16 |
| 4703227 | Low pressure mercury vapor discharge lamp and preparation thereof | Hitoshi Yamazaki, Yoshiteru Taniguchi, Norihiko Tanaka, Hiroshi Ito, Minoru Uchida +1 more | 1987-10-27 |
| 4475058 | Discharge lamp having convoluted discharge path | Hiroshi Ito, Hitoshi Yamazaki, Atsushi Hattori, Seiichiro Yamamoto, Jun Imai | 1984-10-02 |