Issued Patents All Time
Showing 51–75 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4992336 | Magneto-optical recording medium | Takashi Yamada | 1991-02-12 |
| 4975339 | Magneto-optical recording medium with at least one protective layer containing platinum and/or palladium | Takashi Yamada, Masaaki Nomura, Akira Nahara | 1990-12-04 |
| 4945661 | Dredging apparatus | Kiyoshi Kuioka, Koji Inaba, Toyoma Hoshino | 1990-08-07 |
| 4929320 | Method of making magneto-optical recording medium | Takashi Yamada, Masaaki Nomura, Satoshi Matsubaguchi, Akira Nahara | 1990-05-29 |
| 4897320 | Magneto-optical recording medium | Masaaki Nomura, Takashi Yamada, Akira Nahara | 1990-01-30 |
| 4837118 | Magneto-optical recording medium | Masaaki Nomura, Takashi Yamada, Akira Nahara | 1989-06-06 |
| 4808456 | Magneto-optical recording medium and method of making the same | Takashi Yamada, Masaaki Nomura, Akira Nahara | 1989-02-28 |
| 4802160 | Optical disk substrate | Takashi Yamada, Masaaki Nomura, Akira Nahara | 1989-01-31 |
| 4789606 | Magneto-optical recording medium | Takashi Yamada, Masaaki Nomura, Akira Nahara | 1988-12-06 |
| 4735698 | Method of making magneto-optical recording medium | Masaaki Nomura, Takashi Yamada, Akira Nahara | 1988-04-05 |
| 4692501 | Process for continuous multi-stage polymerization of olefins | Hideo Mineshima, Haruyuki Koda | 1987-09-08 |
| 4561989 | Heat storage material | Takahiro Wada, Fumiko Yokotani | 1985-12-31 |
| 4529638 | Thermal insulator | Yoshihiro Matsuo, Masanari Mikoda, Yoshihiro Asada | 1985-07-16 |
| 4525547 | Process for producing ethylene copolymer by gaseous phase copolymerization | Akifumi Kato, Junichi Yoshida | 1985-06-25 |
| 4521378 | Fluid bed reactor system composed of cylindrical reaction vessel equipped with distribution plate and agitator | Mitsunori Ichimura, Katsutoshi Horimoto | 1985-06-04 |
| 4497724 | Solar energy storage materials | Teijiro Kitao, Jun-ichiro Setsune, Shoichi Ishihara | 1985-02-05 |
| 4492725 | Composite thermal insulator | Shoichi Ishihara, Hiroshi Yoneno | 1985-01-08 |
| 4449516 | Sunlight-energy-storing method | Teijiro Kitao, Jun-ichiro Setsune, Shoichi Ishihara | 1984-05-22 |
| 4446410 | Control circuit for a solenoid-operated actuator | Toshiaki Yagura, Kenichiro Satoyama, Kazutoshi Morisada, Seietsu Yoshida | 1984-05-01 |
| 4431558 | Heat accumulating material | Takahiro Wada | 1984-02-14 |
| 4426307 | Heat accumulative material | Takahiro Wada | 1984-01-17 |
| 4420592 | Process for multi-step gaseous phase polymerization of olefins | Akifumi Kato, Junichi Yoshida | 1983-12-13 |
| 4406804 | Heat accumulating material | Takahiro Wada, Shoichi Ishihara | 1983-09-27 |
| 4381245 | Supercooling inhibitor and process for preparing the same | Takahiro Wada, Shoichi Ishihara | 1983-04-26 |
| 4366123 | Anchor agitator for gaseous phase polymerization vessel | Akifumi Kato, Nobuhiko Kaneshige | 1982-12-28 |