Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9653717 | Separator for electrochemical element, process for producing separator and electrochemical element using separator | Toshihiro Shigematsu | 2017-05-16 |
| 9570726 | Base for lithium ion secondary battery separators, method for producing base for lithium ion secondary battery separators, and lithium ion secondary battery separator | Toshihiro Shigematsu, Nobuaki Hirota, Hiroshi Matsuda | 2017-02-14 |
| 8602550 | Coated printing paper | Koji Idei, Hiroshi Matsuda, Masanori Nagoshi, Kazutoshi Iida, Jun Urasaki | 2013-12-10 |
| 5082724 | Photograhic paper support | Toru Katsura | 1992-01-21 |
| 5024986 | Heat sensitive recording paper | Toru Katsura, Kenji Hyodo, Hirokazu Ohkura | 1991-06-18 |