Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6914325 | Power semiconductor module | Tadashi Miyasaka, Katsumi Yamada, Akira Morozumi | 2005-07-05 |
| 6690087 | Power semiconductor module ceramic substrate with upper and lower plates attached to a metal base | Tadashi Miyasaka, Katsumi Yamada, Akira Morozumi | 2004-02-10 |
| 6262474 | Semiconductor device | Souichi Okita, Rikihiro Maruyama | 2001-07-17 |
| 5922659 | Cleanser composition | Chikako Matsumoto, Tadashi Moriyama, Yuichi Hioki, Takashi Imamura | 1999-07-13 |
| 5767576 | Semiconductor module with snap line | Toshifusa Yamada | 1998-06-16 |
| 5686403 | Cleanser composition containing phosphate ester and ether acetate surfactants | Chikako Matsumoto, Tadashi Moriyama, Yuichi Hioki | 1997-11-11 |
| 5489469 | Absorbent composite | Yukihiro Nakano, Zenbei Meiwa, Minoru Nakanishi, Tadashi MATSUI | 1996-02-06 |
| 5126201 | Absorbent article | Daisuke Shiba, Norihiro Abe | 1992-06-30 |
| 5078710 | Surface material for sanitary articles | Yasunori Suda, Akira Yamanoi, Tamio Yasuno, Daisuke Shiba | 1992-01-07 |
| 5023124 | Absorbent article | — | 1991-06-11 |
| 4850991 | Absorbent article | Minoru Nakanishi, Akira Sakurai, Zenbei Meiwa, Norihiro Abe | 1989-07-25 |
| 4812486 | Absorbent resin with excellent stability | Yasunori Hosokawa | 1989-03-14 |
| 4806578 | Process for producing highly absorptive resin | Takahiro Ohya | 1989-02-21 |
| 4727097 | Process for preparing highly reactive, water-absorptive resin | Harumasa Yamasaki, Yuzo Sumida | 1988-02-23 |
| 4721647 | Absorbent article | Minoru Nakanishi, Akira Sakurai | 1988-01-26 |
| 4666975 | Absorptive material | Harumasa Yamasaki, Osamu Ito, Akira Sakurai, Yuzo Sumida | 1987-05-19 |
| 4497930 | Process for producing highly water absorptive polymer | Harumasa Yamasaki, Yuzo Sumida | 1985-02-05 |