Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5446527 | Method of forming fixed images | Shin Yasuda, Kuniyasu Kawabe, Mitsuhiro Sasaki | 1995-08-29 |
| 5352554 | Organic silicon compound, method of its production, and photoreceptor for electrophotography incorporating it | Masayuki Mishima, Takashi Matsuse, Tadashi Sakuma, Hiroyasu Togashi | 1994-10-04 |
| 5290963 | Organic silicon compound, method of its production, and photoreceptor for electrophotography incorporating it | Masayuki Mishima, Takashi Matsuse, Tadashi Sakuma, Hiroyasu Togashi | 1994-03-01 |
| 5187310 | Organic silicon compound, method of its production, and photoreceptor for electrophotography incorporating it | Masayuki Mishima, Takashi Matsuse, Tadashi Sakuma, Hiroyasu Togashi | 1993-02-16 |
| 5071822 | Recording material | Koichi Nakamura, Tadashi Nakamura, Hideki Yanagi | 1991-12-10 |
| 5032479 | Ion transport photoreceptor for electrophotography | Masayuki Mishima, Takashi Matsuse, Tadashi Sakuma, Hiroyasu Togashi | 1991-07-16 |
| 4727097 | Process for preparing highly reactive, water-absorptive resin | Takatoshi Kobayashi, Yuzo Sumida | 1988-02-23 |
| 4714719 | Catalyst for preparation of polyurethane and process for the preparation | Masayoshi Morii, Yukinaga Yokota, Akira Mamada, Yoshiyuki Nabata | 1987-12-22 |
| 4666975 | Absorptive material | Takatoshi Kobayashi, Osamu Ito, Akira Sakurai, Yuzo Sumida | 1987-05-19 |
| 4524577 | Twisted yarn | Osamu Ito, Itsuo Minakata, Kazunori Nishizawa | 1985-06-25 |
| 4497930 | Process for producing highly water absorptive polymer | Takatoshi Kobayashi, Yuzo Sumida | 1985-02-05 |
| 4459396 | Process for producing water-absorbent materials having excellent water absorption properties | Yuzo Sumida, Shoichiro Harada | 1984-07-10 |
| 4446261 | Process for preparation of high water-absorbent polymer beads | Shoichiro Harada | 1984-05-01 |
| 4410694 | Process for producing fibrous carboxymethyl cellulose | Mutsuo Nakayama, Hiromi Yamaguchi | 1983-10-18 |
| 4357938 | Disposable diaper | Osamu Ito, Kazunori Nishizawa | 1982-11-09 |