Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6278827 | Light transmission tubes | Hideo Sugiyama, Masato Sugimachi, Minoru Ishiharada, Yasuhiro Morimura, Hiroshi Fukuyama +1 more | 2001-08-21 |
| 6236797 | Light transmitting tube | Atsushi Hotta, Itsuo Tanuma | 2001-05-22 |
| 6169836 | Optical transmission tube and method for making the same | Hideo Sugiyama, Minoru Ishiharada, Yasuhiro Morimura, Itsuo Tanuma | 2001-01-02 |
| 6104857 | Line glower | Minoru Ishiharada, Hideo Sugiyama | 2000-08-15 |
| 5982969 | Optical transmission tube, making method, and linear illuminant system | Hideo Sugiyama, Masato Sugimachi, Minoru Ishiharada, Yasuhiro Morimura, Hiroshi Fukuyama +1 more | 1999-11-09 |