Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348164 | Apparatus for continuous production of a slab of polyurethane foam | Toshio Kishimoto, Hisao Kosuge, Ryoji Nagamine | 1982-09-07 |
| 4339143 | Pressure-sensitive recording material | Isamu Yoshino, Yasohachi Takahashi | 1982-07-13 |
| 4335193 | Microporous film, particularly battery separator, and method of making | Yoshinao Doi, Shigeo Kaneko, Takeo Hanamura, Katsumi Yoshitake, Tetsuhiko Hirata +1 more | 1982-06-15 |
| 4331622 | Method for manufacturing a microporous film having low electrical resistance and high durability | Yoshinao Doi, Shigeo Kaneko, Takeo Hanamura | 1982-05-25 |