Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810758 | Resinous composition for coating use, which is excellent in weather resistance and in low temperature curing properties, its preparation and coating composition containing the same | Ryozo Takagawa, Hirotoshi Umemoto | 1989-03-07 |
| 4764569 | Coating composition having improved weathering resistance and recoating property resinous composition to be used therein | Hirotoshi Umemoto, Yutaka Takeuchi | 1988-08-16 |
| 4731422 | Resinous modified polyester composition for a top coat | Masahiko Togo, Hirotoshi Umemoto | 1988-03-15 |
| 4680348 | Epoxy resinous varnish its preparation and coating composition containing the same | Haruhiko Satoh, Hirotoshi Umemoto | 1987-07-14 |
| 4578436 | Coating resinous composition containing saturated alicyclic acid modified amphoteric polyester resin | Hirotoshi Umemoto, Akihiro Kanakura, Shinji Nakano | 1986-03-25 |
| 4563492 | Resinous composition which is useful for the dispersion difficulty dispersible coloring matter | Hirotoshi Umemoto, Akihiro Kanakura, Shinji Nakano | 1986-01-07 |
| 4535128 | Polycarboxylic-alkyleneimine resinous composition and coating composition containing same | Hirotoshi Umemoto, Shinji Nakano | 1985-08-13 |
| 4501863 | Polycarboxylic acid resinous composition, its preparation and coating composition containing the same | Hirotoshi Umemoto, Mitsuo Yamada, Shinji Nakano | 1985-02-26 |