Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7001094 | Writing utensil having excellent cap-off performance | Tatsuya Mizoguchi, Takahiro Osada | 2006-02-21 |
| 6761496 | Writing utensil | Takahiro Osada, Yukinori Sawa | 2004-07-13 |
| 6478495 | Capless writing instrument | Yukinori Sawa, Takahiro Osada | 2002-11-12 |
| 6474893 | Writing instrument having excellent cap-off performance | Takahiro Osada | 2002-11-05 |
| 5882683 | Stick cosmetics and production process for the same | — | 1999-03-16 |
| 5807562 | Stick type cosmetic | — | 1998-09-15 |
| 5733344 | Temporary hair dyes containing a dispersant, titanium black, pigments and an alcoholic solvent, and processes of producing temporary hair dyes | Katsuhiko Shiraishi, Kiyokazu Sakurai, Tetsuo Kosaka, Tomoko Hasegawa, Takashi Umeno | 1998-03-31 |
| 5693313 | Teeth coating liquid | Katsuhiko Shiraishi, Kiyokazu Sakurai, Tetsuo Kosaka, Takashi Umeno, Tomoko Hasegawa | 1997-12-02 |