Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7221899 | Customer support system | Mitsuo Katagiri, Isao Shiromaru, Noriaki Suginohara | 2007-05-22 |
| 7139735 | Administration planning system | Kenji Hirai, Isao Shiromaru | 2006-11-21 |
| 6230583 | Bicycle pedal | — | 2001-05-15 |
| 5780571 | Naphthalene ring-containing resins, resin compositions and cured products thereof | Hiromi Morita, Shigeru Moteki, Yasumasa Akatsuka | 1998-07-14 |
| 5202449 | Process for purifying 7-dimethylamino-6-demethyl-6-deoxytetracycline | Ryoichi Hasegawa, Kazuaki Sano, Yoshinori Saito, Hiroaki Nishiyama, Shin'ichi Umeda | 1993-04-13 |
| 4997972 | 2-acylamino-5-halogenated-cinnamic acid derivative and method for its production | Daisaku Matsunaga | 1991-03-05 |
| 4918208 | Process for producing 7-dimethylamino-6-demethyl-6-deoxytetracycline | Ryoichi Hasegawa, Kazuaki Sano, Yoshinori Saito | 1990-04-17 |