Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5770631 | Production process of connected microgel particles and articles treated with connected microgel particles | Takashi Fukutomi, Yoshifumi Sugito, Minoru Takizawa, Satoshi Mizoguchi, Michiei Nakamura +3 more | 1998-06-23 |
| 5538519 | Production of colored silk filament | Takae Ogiwara, Yoshio Abe, Akira Hoshino | 1996-07-23 |
| 5026780 | Water swellable resin composition | Minoru Takizawa, Michiei Nakamura, Hitoshi Takeuchi, Shigeru Sakamoto | 1991-06-25 |
| 4912001 | Electrophotographic photoreceptor comprising azo compound and coupler | Hisao Kouno, Hiroaki Saikatsu, Osamu Suda, Tetsuhiro Umezaki, Norio Tanaka +3 more | 1990-03-27 |
| 4881343 | Seed colorant | Takanori Sannan, Mitsutaka Seki, Shinya Tsuchida | 1989-11-21 |
| 4869532 | Prints and production method thereof | Yoshio Abe, Shozo Ohira, Michiei Nakamura, Masaru Hasegawa, Kimihide Kawamura +4 more | 1989-09-26 |
| 4853429 | Seed colorant | Takanori Sannan, Mitsutaka Seki, Shinya Tsuchida | 1989-08-01 |
| 4767465 | Pigment composition | Michiei Nakamura, Hitoshi Takeuchi, Tetsujiro Takahashi, Yoshitake Kori, Minoru Takizawa +1 more | 1988-08-30 |
| 4762568 | Pigment composition | Michiei Nakamura, Hitoshi Takeuchi, Tetsujiro Takahashi, Yoshitake Kori, Minoru Takizawa +1 more | 1988-08-09 |
| 4746462 | Phosphoric ester compound | Michiei Nakamura, Hitoshi Takeuchi, Tetujiro Takahashi, Minoru Takizawa | 1988-05-24 |
| 4704165 | Pigment composition | Michiei Nakamura, Hitoshi Takeuchi, Tetujiro Takahashi, Minoru Takizawa | 1987-11-03 |
| 4698099 | Pigment composition | Michiei Nakamura, Hitoshi Takeuchi, Tetujiro Takahashi, Minoru Takizawa | 1987-10-06 |
| 4638052 | Azo-pigment containing hydroxy naphthoic acid amide and an iminooxoisoindolenine components | Kimihide Kawamura, Hisao Okamoto | 1987-01-20 |
| 4267313 | Saccharide derivative having ureido group | Takanori Sannan | 1981-05-12 |
| 4252917 | Hydrophilic polymer and process for producing the same | Minoru Takizawa, Michiei Nakamura, Hitoshi Takeuchi | 1981-02-24 |
| 4221709 | Azo pigments | Kimihide Kawamura | 1980-09-09 |