Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5093172 | Magnetic recording medium comprising a vinyl chloride copolymer containing a polar group and a polyurethane containing a polar group and specified aromatic or alicyclic units | Mikihiko Kato, Yasuo Nagashima, Hiroshi Hashimoto | 1992-03-03 |
| 5091238 | Floppy disk comprising a cellulosic resin with a polar group in a side chain and perromagnetic particles of a specific surface area | Mikihiko Kato, Hiroshi Hashimoto, Yasuo Nagashima | 1992-02-25 |
| 5085911 | Flexible magnetic disc with a two layer protective coating which top layer is a ultra violet radiation cured compound with specified elasticity modulus | Mikihiko Kato, Toshio Kawamata | 1992-02-04 |
| 5045372 | Magnetic recording medium containing ferromagnetic metal powder and a specific fatty acid ester in a content dependent upon the specific surface area of the ferromagnetic metal powder | Mikihiko Kato, Yasuo Nagashima, Yasuyuki Yamada | 1991-09-03 |
| 5024885 | Magnetic recording medium | Mikihiko Kato, Toshio Kawamata, Kouichi Masaki | 1991-06-18 |
| 4992328 | Magnetic recording medium | Mikihiko Kato, Toshio Kawamata | 1991-02-12 |
| 4626687 | Infrared sensor | Motohisa Nara | 1986-12-02 |
| 4423464 | Variable capacitance type push-button switch | Ryutaro Tamura | 1983-12-27 |
| 4412147 | Ultrasonic holography imaging device having a macromolecular piezoelectric element transducer | Masato Nagura, Kazushige Kikuchi, Hiroshi Obara | 1983-10-25 |
| 4360562 | Laminated electric elements | Seiichi Suzuki | 1982-11-23 |