Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7246694 | Friction roller in conveyor | Yasushi Yamahara, Masashi Kimura, Masaharu Sugiura, Akira Ishii, Toshitaka Aoki | 2007-07-24 |
| 4708351 | Sealed joint including water-absorptive, water-swelling coating at joint interface site for using leakage to repair leaks | Masanori Midooka, Takashi Kubo, Atsunobu Fujikawa | 1987-11-24 |
| 4559252 | Plate metal reinforcing combination | Atsunobu Fujikawa, Shigeki Shuzuki, Junpei Suzuki, Masahiro Nojima | 1985-12-17 |