Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12112862 | Method for manufacturing spiral tube | — | 2024-10-08 |
| 6669903 | Bactericidal or bacteriostatic method | — | 2003-12-30 |
| 5690010 | Apparatus in forging machine to cut material | Masahiko Amari | 1997-11-25 |
| 5229193 | Silicon carbide member | JUNJI MADONO, Fukuji Matsumoto | 1993-07-20 |
| 5024423 | Semiconductor diffusion furnace inner tube | Fukuji Matsumoto, Yoshio Tawara, Osamu Yamada | 1991-06-18 |
| 4999228 | Silicon carbide diffusion tube for semi-conductor | Fukuji Matsumoto, Yoshio Tawara | 1991-03-12 |
| 4266593 | Slip-prevention device for vehicle tires | — | 1981-05-12 |