Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7547552 | Indication composition for surgical instrument cleaning evaluation | Mikio Doi | 2009-06-16 |
| 5158611 | Paper coating composition | Haruo Tanaka, Hisao Takagishi, Yoshiya Fukuyama, Hiroko Fukuyama, heir, Takuya Fukuyama, heir +1 more | 1992-10-27 |
| 5114758 | Process for producing resin for paper coating | Haruo Tanaka, Hisao Takagishi, Hiroko Fukuyama, heir, Takuya Fukuyama, heir, Yuko Fukuyama | 1992-05-19 |
| 5034501 | Process for producing resin for paper coating | Haruo Tanaka, Hisao Takagishi, Yoshiya Fukuyama | 1991-07-23 |
| 4657821 | Paper coating composition | Mikio Iwata, Haruo Tanaka, Hiroyuki Shiono | 1987-04-14 |
| 4464505 | Coating composition for providing water and blister resistant, ink-receptive paper | Shigenao Kawakami, Terumasa Saka, Mikio Iwata, Yoshiharu Tokugawa, Naoyoshi Jinno | 1984-08-07 |
| 4444943 | Coating compositions for providing water and blister resistance to ink-receptive paper | Shigenao Kawakami, Terumasa Saka, Hisao Takagishi, Mikio Iwata | 1984-04-24 |
| 4251651 | Amphoteric polyelectrolyte | Shigenao Kawakami, Naoyoshi Jinno, Shin-ichi Isaoka, Wataru Tohoma | 1981-02-17 |