Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5053480 | Polyimide resin from cyclobutane tetracarboxylic acid dianhydride | Toyohiko Abe, Hideo Suzuki, Kanji Otsuka | 1991-10-01 |
| 4666637 | Process for producing chlorobenzene sulfochloride | Kazumi Tsubaki, Kouichi Maeda | 1987-05-19 |
| 4652465 | Process for the production of a silver coated copper powder and conductive coating composition | Joei Yukawa, Takeo Moro | 1987-03-24 |
| 4424321 | Process for producing copolymer of ethylene | Kazumi Tsubaki, Toyohiko Abe | 1984-01-03 |
| 4398006 | Process for producing polybutene-1 | Kazumi Tsubaki, Toyohiko Abe | 1983-08-09 |
| 4258167 | Process for producing powdery isotactic polyolefin | Kazumi Tsubaki, Kouichi Maeda | 1981-03-24 |