Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5125968 | Recording liquid for ink jet recording | Akira Kajikawa, Tomio Yoneyama | 1992-06-30 |
| 5102731 | Recording medium | Tomio Yoneyama, Hideo Sano, Minoru Masuda | 1992-04-07 |
| 5049188 | Recording liquid | Tomio Yoneyama, Hideo Sano | 1991-09-17 |
| 4841037 | Amino sulfonaphtholtrisazo compounds and recording liquids containing the same | Tokuya Ohta, Masatsune Kobayashi, Yuko Suga, Konoe Miura, Tomio Yoneyama | 1989-06-20 |
| 4808192 | Process for preparation of water soluble dyes containing lithium sulfonate group or ammonium sulfonate group by cation exchange, neutralization and reverse osmosis | Yoshihiro Narita, Hideo Sano | 1989-02-28 |
| 4765838 | Water-soluble dye composition and recording liquid containing the same | Tokuya Ohata, Masatsune Kobayashi, Yuko Suga, Konoe Miura, Tomio Yoneyama | 1988-08-23 |
| 4724001 | Disazoic dye and recording liquid containing the same | Tokuya Ohta, Masatsune Kobayashi, Yuko Suga, Konoe Miura, Tomio Yoneyama | 1988-02-09 |
| 4683002 | Liquid composition and method for recording | Konoe Mirua, Toshio Kaneko, Tokuya Ohta, Masatsune Kobayashi, Tsuyoshi Eida | 1987-07-28 |
| 4667760 | Disk brake arrangement for vehicle | — | 1987-05-26 |
| 4636922 | Lamp mounting structure for small sized vehicle | Takumi Fukui | 1987-01-13 |
| 4626284 | Recording liquid | Tokuya Ohta, Masatsune Kobayashi, Konoe Miura | 1986-12-02 |