Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6096395 | Roll including foam body and method of producing the roll | Sumio Oinuma, Takafumi Yamamoto, Kazutoshi Soumiya, Hiroyasu Kato | 2000-08-01 |
| 5171958 | High-efficiency fillet welding method for steel plate | Tadamasa Yamaguchi, Yoshimitsu Meguro, Matsushige Nakajima | 1992-12-15 |
| 4661125 | Process for producing high concentration oxygen by a pressure-swing-adsorption method | Kazuo Haruna | 1987-04-28 |
| 4599177 | Process for removal of mercury from waste water | Mitsukazu Mukai, Masahiro Inoue, Hiroo Tsuchiya, Akira Otsuji, Takeo Tanabe | 1986-07-08 |
| 4529412 | Process for obtaining high concentration argon by pressure-swing-adsorption | Hiroo Tsuchiya, Kazuo Haruna | 1985-07-16 |
| 4348201 | Tanning process and tanning compositions | Syohiti Okada, Kazuyoshi Okamoto, Mochifumi Mizutani, Teizo Isono, Toshio Osada +2 more | 1982-09-07 |
| 4314803 | Tanning method | Tohru Okabe, Shigeaki Mizutani | 1982-02-09 |