Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5466209 | Cigarette filter-rod manufacturing device | Masaharu Takegawa, Hiromu Yokota | 1995-11-14 |
| 4900765 | Deodorant and mildewproof resin sheet | Katsuyoshi Murabayashi, Keishi Sato | 1990-02-13 |
| 4808466 | Deodorant sheet | Shinzo Ishikawa, Keishi Sato | 1989-02-28 |
| 4360022 | Sanitary napkin | Akira Usami, Tomoko Goda | 1982-11-23 |
| 4246009 | Smoke filter material and use thereof | Hideo Sawada, Koji Sato, Toichiro Izawa, Ken-ichiro Sugimori, Akisato Katanosaka | 1981-01-20 |