Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6491802 | Magnetic film forming system | Yasushi Ishikawa, Fumiomi Ueda, Keiji Arimatsu, Takashi Hagiya, Hirosuke Yamaguchi | 2002-12-10 |
| 6290824 | Magnetic film forming system | Yasushi Ishikawa, Fumiomi Ueda, Keiji Arimatsu, Takashi Hagiya, Hirosuke Yamaguchi | 2001-09-18 |
| 5260542 | Laser Marking apparatus | Kouji Ishiguro, Minoru Fujimoto, Kiyoshi Okumura, Kiyoshi Saito, Kouji Kuwabara +1 more | 1993-11-09 |
| 5157235 | Laser marking system | Kiyoshi Okumura, Kazuhiko Nishimura, Minoru Fujimoto, Kazuo Mera, Shigeo Shiono | 1992-10-20 |