Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4758275 | Magnetic fluid | Keiichi Yubakami, Mamoru Soga, Nobuo Sonoda | 1988-07-19 |
| 4735879 | Recording media and recording methods | Shu Hotta, Mamoru Soga | 1988-04-05 |
| 4617356 | Temperature sensitive polymer compositions | Tomiharu Hosaka, Yoshio Kishimoto | 1986-10-14 |
| 4603179 | Temperature sensitive polymer compositions | Tomiharu Hosaka, Yoshio Kishimoto | 1986-07-29 |
| 4582587 | Anion-doped polymers of five-membered oxygen family heterocyclic compounds and method for producing same | Shu Hotta, Tomiharu Hosaka, Nobuo Sonoda | 1986-04-15 |
| 4519931 | Magnetic fluid | Mamoru Soga, Keiichi Yubakami, Nobuo Sonoda | 1985-05-28 |
| 4510089 | Octahydrotetracyanoquinodimethane and derivatives thereof | Shu Hotta, Tomiharu Hosaka | 1985-04-09 |
| 4501686 | Anion-doped polymers of five-membered oxygen family heterocyclic compounds and method for producing same | Shu Hotta, Tomiharu Hosaka, Nobuo Sonoda | 1985-02-26 |
| 4500459 | Tetracyanoanthraquinodimethane compounds | Shu Hotta, Tomiharu Hosaka | 1985-02-19 |
| 4478753 | Process for the production of 11,11,12,12-tetracyano-9,10-anthraquinodimehane _or its derivatives | Shu Hotta, Tomiharu Hosaka, Nobuo Sonoda | 1984-10-23 |
| 4456669 | Image forming process | Keiichi Yubakami, Yuji Takashima | 1984-06-26 |
| 4439569 | Polymeric thermo-sensitive material | Shu Hotta, Yoshio Kishimoto | 1984-03-27 |
| 4426546 | Functional electric devices | Shu Hotta, Tomiharu Hosaka, Yoshio Kishimoto | 1984-01-17 |
| 4405370 | Magnetic ink refining method | Mamoru Soga, Yoshio Kishimoto, Yoichi Sekine | 1983-09-20 |
| 4396667 | Electrostatic recording medium | Nobuo Sonoda, Shigeru Tsubusaki | 1983-08-02 |
| 4359752 | Magneto-fluidic recording apparatus | Masami Nakagawa, Yoshio Kishimoto, Yoichi Sekine | 1982-11-16 |
| 4349606 | Conductive device using conductive polymer compositions | Yoshio Kishimoto | 1982-09-14 |
| 4315267 | Method of magnetofluidic recording | Nobuo Sonoda, Yoshio Kishimoto, Yoichi Sekine | 1982-02-09 |
| 4275103 | Electrographic recording medium with conductive layer containing metal oxide semiconductor | Shigeru Tsubusaki, Nobuo Sonoda | 1981-06-23 |
| 4258080 | Method of lowering resistivity of metal oxide semiconductor powder | Nobuo Sonoda, Yoshio Kishimoto, Yoichi Sekine | 1981-03-24 |
| 4258371 | Image recording apparatus | Yoichi Sekine, Yoshio Kishimoto | 1981-03-24 |
| 4246143 | Process of preparing conductive tin dioxide powder | Nobuo Sonoda, Shigeru Tsubusaki | 1981-01-20 |