Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6479570 | Aggregate, manufacturing process thereof, and resin mortar | Kiyokata Ishii, Hideharu Osada | 2002-11-12 |
| 5908880 | Composition for forming water-permeable material water-permeable material and process for producing the same | Hideaki Tanisugi | 1999-06-01 |
| 5447798 | Concrete article and method of producing same | Hideaki Tanisugi, Keiichi MINAMI, Akio Takahashi, Takashi Taniguchi, Hiroyoshi Kuramoto | 1995-09-05 |
| 4500587 | Graphic arts film and method of preparing same | Takao Kitagawa | 1985-02-19 |
| 4308799 | Dry planographic printing plate | Takao Kitagawa, Shigeo Abiko | 1982-01-05 |
| 4259905 | Waterless planographic printing plate with polysiloxane coating | Shigeo Abiko | 1981-04-07 |