Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6071845 | Catalyst for producing conjugated diene polymer | Nobuhiro Tsujimoto, Michinori Suzuki, Kei Tsukahara, Shigeru Ikai, Koji Imaoka +1 more | 2000-06-06 |
| 5342940 | Polyethylene glycol derivatives, process for preparing the same | Keiichi Ono, Hiroo Maeda | 1994-08-30 |
| 5214131 | Polyethylene glycol derivatives, modified peptides and production thereof | Akihiko Sano, Hiroo Maeda, Keiichi Ono | 1993-05-25 |
| 5183660 | Polyethylene glycol derivatives, their modified peptides, methods for producing them and use of the modified peptides | Yoshiharu Ikeda, Keiichi Ono | 1993-02-02 |
| 5093531 | Polyethylene glycol substituted phenyl glyoxals | Akihiko Sano, Hiroo Maeda, Keiichi Ono | 1992-03-03 |
| 4774319 | Synthesis of a derivative of GRF and intermediate peptides | Keiichi Ono, Yoshiaki Takebayashi, Akihiko Sano, Kazushi Suwa | 1988-09-27 |
| 4435550 | Method for polymerizing .alpha.-olefin | Haruo Ueno, Takefumi Yano, Tokuji Inoue, Shigeru Ikai, Michimasa Shimizu | 1984-03-06 |
| 4365048 | Method for polymerizing .alpha.-olefin | Haruo Ueno, Takefumi Yano, Tokuji Inoue, Shigeru Ikai, Michimasa Shimizu | 1982-12-21 |
| 4297463 | Method for polymerizing .alpha.-olefin | Haruo Ueno, Takefumi Yano, Tokuji Inoue, Shigeru Ikai, Michimasa Shimizu | 1981-10-27 |