Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7155952 | Device and method for forming piping components | Mamoru Rachi, Tamio Yoshino | 2007-01-02 |
| 7131312 | Pipe bending apparatus and method | Tamio Yoshino | 2006-11-07 |
| 6661185 | Dimmable self-ballasted fluorescent lamp and discharge lamp operating apparatus | Satoshi Kominami, Kenichiro Takahashi, Koji Miyazaki, Tetsuya Tahara | 2003-12-09 |
| 6297585 | Fluorescent lamp with thermal protection element manufacturing method for the fluorescent lamp and a lighting apparatus using the same | Kenji Itaya | 2001-10-02 |