Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7285899 | Fluorescent lamp having bent portions and its manufacturing method, and illuminating apparatus including the lamp | Kiyoshi Nishimura, Miho Watanabe, Yusuke Shibahara, Kiyoshi Ootani, Ichiro Yamada +4 more | 2007-10-23 |
| 6657389 | Glow discharge lamp, electrode thereof and luminaire | Akiko Saitou, Shigeru Osawa, Nobuhiro Tamura, Noriyuki Hayama, Yoshiyuki Matsunaga +2 more | 2003-12-02 |
| 6337539 | Low-pressure mercury vapor discharge lamp and illuminator | Kenji Sugiyama, Toshiyuki Nakamura, Ichiro Yamada | 2002-01-08 |
| 5055738 | Low-pressure mercury vapor discharge lamp having a folded tube | Masashi Saigo | 1991-10-08 |
| 4972118 | Amalgam having extended stable mercury vapor pressure range and low mercury vapor pressure discharge lamp using the same | Seiko Komoda | 1990-11-20 |
| 4615846 | Method of manufacturing a low-melting point alloy for sealing in a fluorescent lamp | Hisashi Yoshino, Masakatsu Haga, Teruo Oshima | 1986-10-07 |