Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677377 | Polypropylene lining | Shigeo Hasegawa, Takafumi Shimada, Ryuji Yoshiyama, Kenji Iwasaki, Tatsuyuki Nishikawa | 1997-10-14 |
| 5677378 | Polypropylene lining | Shigeo Hasegawa, Takafumi Shimada, Ryuji Yoshiyama, Kenji Iwasaki, Tatsuyuki Nishikawa | 1997-10-14 |
| 5472278 | Stirring apparatus having blades creating a circulating flow | Hiroaki Ogasawara, Kenichiro Nakamura, Takafumi Shimada, Setsuo Omoto | 1995-12-05 |