Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4758275 | Magnetic fluid | Keiichi Yubakami, Mamoru Soga, Wataru Shimotsuma | 1988-07-19 |
| 4582587 | Anion-doped polymers of five-membered oxygen family heterocyclic compounds and method for producing same | Shu Hotta, Tomiharu Hosaka, Wataru Shimotsuma | 1986-04-15 |
| 4546130 | Molding material for the stator of a submersible motor | Mitsuhiro Nishida, Sakuei Yamamoto, Kazuo Okahashi, Shoji Takagi | 1985-10-08 |
| 4519931 | Magnetic fluid | Mamoru Soga, Keiichi Yubakami, Wataru Shimotsuma | 1985-05-28 |
| 4501686 | Anion-doped polymers of five-membered oxygen family heterocyclic compounds and method for producing same | Shu Hotta, Tomiharu Hosaka, Wataru Shimotsuma | 1985-02-26 |
| 4496866 | Submersible electric motor and method of manufacturing the same | Sakuei Yamamoto, Mitsuhiro Nishida, Noboru Tashiro | 1985-01-29 |
| 4478753 | Process for the production of 11,11,12,12-tetracyano-9,10-anthraquinodimehane _or its derivatives | Shu Hotta, Tomiharu Hosaka, Wataru Shimotsuma | 1984-10-23 |
| 4396667 | Electrostatic recording medium | Shigeru Tsubusaki, Wataru Shimotsuma | 1983-08-02 |
| 4387313 | Molded submersible motor | Sakuei Yamamoto, Mitsuhiro Nishida, Noboru Tashiro | 1983-06-07 |
| 4315267 | Method of magnetofluidic recording | Wataru Shimotsuma, Yoshio Kishimoto, Yoichi Sekine | 1982-02-09 |
| 4275103 | Electrographic recording medium with conductive layer containing metal oxide semiconductor | Shigeru Tsubusaki, Wataru Shimotsuma | 1981-06-23 |
| 4258080 | Method of lowering resistivity of metal oxide semiconductor powder | Wataru Shimotsuma, Yoshio Kishimoto, Yoichi Sekine | 1981-03-24 |
| 4246143 | Process of preparing conductive tin dioxide powder | Wataru Shimotsuma, Shigeru Tsubusaki | 1981-01-20 |