Issued Patents All Time
Showing 26–46 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4417128 | Arc welding method utilizing reciprocal movement of a torch in width direction of groove to be welded, and continuous movement of torch in longitudinal direction of groove to be welded | Yuji Sugitani, Yasuo Suzuki | 1983-11-22 |
| 4410784 | Method for modifying surface properties of a disc-like shaped article of a vinyl chloride-based resin | Kiyoshi Imada, Susumu Ueno, Yasuhide Nishina | 1983-10-18 |
| 4396641 | Method for improving surface properties of shaped articles of synthetic resins | Kiyoshi Imada, Susumu Ueno | 1983-08-02 |
| 4395434 | Method for improving surface properties of shaped articles of synthetic resins | Kiyoshi Imada, Susumu Ueno | 1983-07-26 |
| 4394559 | Arc welding method | Yuji Sugitani, Yasuo Suzuki | 1983-07-19 |
| 4372986 | Polyvinyl alcohol-clad shaped article of vinyl chloride resin | Kiyoshi Imada, Susumu Ueno, Yasuhide Nishina | 1983-02-08 |
| 4344981 | Method for modifying surface properties of a shaped article of a silicone | Kiyoshi Imada, Susumu Ueno, Yasuhide Nishina | 1982-08-17 |
| 4336211 | Method for the preparation of shaped articles of a vinyl chloride based resin having improved surface properties | Michihiko Asai, Yoshio Suda, Kiyoshi Imada, Susumu Ueno | 1982-06-22 |
| 4317788 | Method for modifying surface properties of a shaped article of an acrylic resin | Kiyoshi Imada, Susumu Ueno, Yasuhide Nishina | 1982-03-02 |
| 4315808 | Method for modifying surface properties of shaped articles of vinyl chloride based resin with low temperature plasma | Kiyoshi Imada, Susumu Ueno | 1982-02-16 |
| 4311828 | Method for modifying surface properties of shaped articles of polymeric materials with low temperature plasma | Kiyoshi Imada, Susumu Ueno, Yasuhide Nishina | 1982-01-19 |
| 4310564 | Method for modifying surface properties in polyvinyl chloride shaped articles | Kiyoshi Imada, Susumu Ueno, Yasuhide Nishina | 1982-01-12 |
| 4296306 | Method of welding corrugated metallic materials | Tadashi Fujioka | 1981-10-20 |
| 4293585 | Method for the preparation of polarizing films or sheets | Kiyoshi Imada, Susumu Ueno, Yasuhide Nishina | 1981-10-06 |
| 4276138 | Method for reducing electrostatic charging on shaped articles of polyvinyl chloride resins | Michihiko Asai, Yoshio Suda, Kiyoshi Imada, Susumu Ueno | 1981-06-30 |
| 4273987 | Method of controlling synchronized movement of backing shoe in automatic one-side welding | Yukihiko Sato, Yoshikazu Sato | 1981-06-16 |
| 4272464 | Method for preventing plasticizer bleeding on polyvinyl chloride shaped articles | Michihiko Asai, Yoshio Suda, Kiyoshi Imada, Susumu Ueno | 1981-06-09 |
| 4261806 | Method for the treatment of inner surfaces of a tubular body of a plastic with low temperature plasma | Michihiko Asai, Yoshio Suda, Kiyoshi Imada, Susumu Ueno | 1981-04-14 |
| 4248372 | Apparatus for automatically welding corrugated membranes | Tadashi Fujioka | 1981-02-03 |
| 4247440 | Method for preventing plasticizer bleeding on polyvinyl chloride shaped articles | Michihiko Asai, Yoshio Suda, Kiyoshi Imada, Susumu Ueno | 1981-01-27 |
| 4233419 | Method for preventing plasticizer bleeding on polyvinyl chloride shaped articles | Michihiko Asai, Yoshio Suda, Kiyoshi Imada, Susumu Ueno | 1980-11-11 |