Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5879216 | Method of fixing mercury containing alloy within fluorescent tubes | Yasuto Yoshii, Shozo Miyamoto, Masayuki Tanaka, Masahiro Yoshimoto, Masao Kubo +2 more | 1999-03-09 | $236,000 |
| 5833506 | Method for manufacturing a fluorescent lamp | Toshiyoshi Oga, Masaru Saitoh, Nobuyuki Tsubakihara | 1998-11-10 | $203,000 |
| 5723939 | Circular fluorescent lamp | Toshiyoshi Oga, Hidehito Kawahara, Masashi Sangen | 1998-03-03 | $136,000 |