Issued Patents All Time
Showing 201–225 of 279 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693397 | Magnetic recording medium having a magnetic layer containing hexagonal ferrite magnetic particles and specified Hc, Hk and Hc/Hk | Nobuo Yamazaki, Hitoshi Noguchi | 1997-12-02 |
| 5645917 | Magnetic recording medium | Kiyomi Ejiri, Hiroo Inaba, Satoru Hayakawa | 1997-07-08 |
| 5640116 | PLL circuit of pulse swallow-type prescaler system | Akira Kobayashi | 1997-06-17 |
| 5601916 | Magnetic recording medium having a magnetic layer comprising hexagonal ferrite particles | Nobuo Yamazaki, Hitoshi Noguchi | 1997-02-11 |
| 5597638 | Magnetic recording medium | Nobuo Yamazaki | 1997-01-28 |
| 5585649 | Compound semiconductor devices and methods of making compound semiconductor devices | Masayuki Ishikawa, Yukie Nishikawa, Masaaki Onomura, Peter James Parbrook, Genichi Hatakoshi | 1996-12-17 |
| 5547772 | Magnetic recording medium | Hiroshi Ogawa, Takeshi Kakuta, Hitoshi Noguchi | 1996-08-20 |
| 5532808 | Elastic fixing roller for electrophotographic copying machine | Akihiko Sugizaki | 1996-07-02 |
| 5519654 | Semiconductor memory device with external capacitor to charge pump in an EEPROM circuit | Hideo Kato, Masamichi Asano, Shigeru Matsuda | 1996-05-21 |
| 5496653 | Magnetic recording medium with longitudinal glossiness 200% or more | Nobuo Yamazaki, Hitoshi Noguchi | 1996-03-05 |
| 5488233 | Semiconductor light-emitting device with compound semiconductor layer | Masayuki Ishikawa, Yukie Nishikawa, Peter James Parbrook, Masaaki Onomura, Koichi Nitta +1 more | 1996-01-30 |
| 5450755 | Mechanical sensor having a U-shaped planar coil and a magnetic layer | Hiroyuki Hase | 1995-09-19 |
| 5436055 | Magnetic recording medium and magnetic tape cassette mounted with the magnetic recording medium | Takeshi Kakuta, Kazuo Kato, Noburo Hibino | 1995-07-25 |
| 5410571 | PLL frequency synthesizer circuit | Masayuki Yonekawa, Takehiro Akiyama, Tetsuya Aisaka, Minoru Takagi | 1995-04-25 |
| 5403646 | Magnetic recording medium comprising a magnetic layer and a non-magnetic support each having specified elastic modulus valves | Hitoshi Noguchi, Kazuo Kato | 1995-04-04 |
| 5379256 | Electrically erasable programmable read-only memory with write/verify controller | Tomoharu Tanaka, Yoshiyuki Tanaka, Kazunori Ohuchi, Masaki Momodomi, Yoshihisa Iwata +2 more | 1995-01-03 |
| 5318828 | Magnetic recording medium having multiple magnetic layers comprising magnetic particles and polyurethane resins having glass transition temperatures within specified ranges | Hitoshi Noguchi, Hiroshi Ogawa | 1994-06-07 |
| 5304954 | PLL synthesizer having frequency dividers with reset control | Akira Kobayashi | 1994-04-19 |
| 5292597 | Magnetic recording medium | Hitoshi Noguchi, Hiroshi Ogawa | 1994-03-08 |
| 5287019 | ECL to CMOS level conversion circuit | Kazuyuki Nonaka, Tetsuya Aisaka, Takehiro Akiyama, Kouzi Takekawa | 1994-02-15 |
| 5189379 | Pulse width detecting circuit and PLL synthesizer circuit using the same | Akira Kobayashi | 1993-02-23 |
| 5178935 | Magnetic recording medium | Hiroshi Ogawa, Naoyoshi Chino, Hiroo Inaba, Kazuaki Taga | 1993-01-12 |
| 5166644 | PLL synthesizer circuit | Akira Kobayashi | 1992-11-24 |
| 5158822 | Magnetic recording medium and process for the preparation thereof | Naoyoshi Chino | 1992-10-27 |
| D330562 | Electronic still camera | Toshio Takada | 1992-10-27 |