Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE40746 | Ozonizer | Yujiro Okihara, Youichiro Tabata, Hiromichi Komiya, Yuji Ganryu, Masaki Kuzumoto +4 more | 2009-06-16 |
| 7198765 | Ozonizer | Youichiro Tabata, Yujiro Okihara, Tetsuya Saitsu, Norimitsu Esaki, Hajime Nakatani | 2007-04-03 |
| 7108836 | Ozonizer | Yujiro Okihara, Youichiro Tabata, Hiromichi Komiya, Yuji Ganryu, Masaki Kuzumoto +4 more | 2006-09-19 |
| 6905659 | Ozonizer | Youichiro Tabata, Yujiro Okihara, Hiromichi Komiya, Yuji Ganryu, Masaki Kuzumoto +4 more | 2005-06-14 |
| 6869575 | Ozonizer | Youichiro Tabata, Yujiro Okihara, Hiromichi Komiya, Yuji Ganryu, Masaki Kuzumoto +4 more | 2005-03-22 |
| 6866829 | Ozonizer | Yujiro Okihara, Youichiro Tabata, Hiromichi Komiya, Yuji Ganryu, Masaki Kuzumoto +4 more | 2005-03-15 |
| 6769962 | Scraping method | Yoshihide Kinbara, Hisao Tanaka | 2004-08-03 |
| 6314121 | Semiconductor laser-excitation solid-state laser device | Shinji Sato, Kyouko Fukumura | 2001-11-06 |
| 6038244 | Semiconductor excitation solid-state laser apparatus | Shinji Sato, Hisao Tanaka | 2000-03-14 |
| 5948292 | Laser beam machining apparatus, focus positioning device for laser beam machining apparatus, and converged laser beam diameter measuring device | Hisao Tanaka, Shinji Sato, Hirokazu Miyagawa | 1999-09-07 |
| 5660748 | Laser beam machine with an optical fiber cable | Hisao Tanaka, Takeshi Irino, Shigehiro Yoshiyasu, Akira Ishimori | 1997-08-26 |
| 5221823 | Laser machining apparatus for welding and cutting | — | 1993-06-22 |
| 4931616 | Method for removing insulating coating of electric cable and apparatus therefor | Hiroshi Tsukahara | 1990-06-05 |
| 4462965 | Intermittent ozonizing apparatus | Kenkoku Azuma, Isao Kajita | 1984-07-31 |