Issued Patents All Time
Showing 1–25 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12420012 | Infusion set | Masahito Urano | 2025-09-23 |
| 11701466 | Infusion set | Masahito Urano | 2023-07-18 |
| 6614737 | Optical reproduction method and optical information device | Harukazu Miyamoto, Hideki Saga | 2003-09-02 |
| 6442120 | Optical reproduction method and optical information device | Harukazu Miyamoto, Hideki Saga | 2002-08-27 |
| 6205098 | Optical reproduction method and optical information apparatus | Harukazu Miyamoto, Hideki Saga | 2001-03-20 |
| 6122229 | Magneto-optically recorded data readout system | — | 2000-09-19 |
| 5959943 | Information recording medium with clock information therein | Norio Ohta, Toshio Niihara, Keiji Kataoka, Masahiko Takahashi, Harukazu Miyamoto +2 more | 1999-09-28 |
| 5886958 | Information recording apparatus and method for modulated magneto-optical recording medium | Norio Ohta, Toshio Niihara, Keiji Kataoka, Masahiko Takahashi, Harukazu Miyamoto +2 more | 1999-03-23 |
| 5726955 | Magneto optical recording medium apparatus and method utilizing light pulse magnetic modulation recording | Norio Ohta, Toshio Niihara, Keiji Kataoka, Masahiko Takahashi, Harukazu Miyamoto +2 more | 1998-03-10 |
| 5579292 | Magneto-optical data recording apparatus using a sample-servo system for applying heating pulses to record data | Norio Ohta, Toshio Niihara, Keiji Kataoka, Masahiko Takahashi, Harukazu Miyamoto +2 more | 1996-11-26 |
| 5537282 | Data storage disk having improved tracking capability | David Treves | 1996-07-16 |
| 5473581 | Magneto-optical data recording system continuously irradiating optical pulsers | Norio Ohta, Toshio Niihara, Keiji Kataoka, Masahiko Takahashi, Harukazu Miyamoto +2 more | 1995-12-05 |
| 5348837 | Projection exposure apparatus and pattern forming method for use therewith | Hiroshi Fukuda, Ryoko Yamanaka, Tsutomu Tawa, Tsuneo Terasawa | 1994-09-20 |
| 5296995 | Method of magnetically recording and reading data, magnetic recording medium, its production method and magnetic recording apparatus | Keiji Kataoka, Hajime Fukke, Tsuneo Terasawa, Keizo Kato, Harukazu Miyamoto +3 more | 1994-03-22 |
| 5170383 | Magneto-optical data recording system | Norio Ohta, Toshio Niihara, Keiji Kataoka, Masahiko Takahashi, Harukazu Miyamoto +2 more | 1992-12-08 |
| 5150339 | Optical disk medium and its application method and system | Hirotada Ueda, Takashi Takeuchi | 1992-09-22 |
| 5134426 | Optical device for generating pattern having uniform light intensity distribution | Keiji Kataoka, Toshio Kaneko | 1992-07-28 |
| 4949325 | Method and associated apparatus and medium for optical recording and reproducing information | Toshiaki Tsuyoshi, Masatoshi Ohtake, Wasao Takasugi, Takashi Takeuchi, Tadashi Saitoh | 1990-08-14 |
| 4872152 | Light spot position control system and method by sampled servo | Toshiaki Tsuyoshi, Masatoshi Ohtake, Wasao Takasugi | 1989-10-03 |
| 4866688 | Composite tracking servo system for optical disc apparatus with track offset correction | Masatoshi Ohtake, Toshiaki Tsuyoshi, Kazuo Ichino, Yukio Fukui, Takashi Takeuchi +2 more | 1989-09-12 |
| 4857744 | Optical projection printing apparatus wherein wafer mark has a grating pitch in the sagittal plane of the first optical system | Keiji Kataoka, Toshiei Kurosaki, Soichi Katagiri | 1989-08-15 |
| 4847822 | Optical information recording and reproducing apparatus with tracking control by sampling | Wasao Takasugi, Toshiaki Tsuyoshi, Masatoshi Ohtake | 1989-07-11 |
| 4791627 | Wobbled pit recording method and device of optical recording medium utilizing a plurality of time different signal waveforms | — | 1988-12-13 |
| 4785442 | Light spot position control system and method by sampling servo | Masatoshi Ohtake, Toshiaki Tsuyoshi, Wasao Takasugi, Takashi Takeuchi | 1988-11-15 |
| 4759628 | Wavelength scanning interferometry and interferometer employing laser diode | Kimio Tatsuno, Yoshito Tsunoda, Masatoshi Ohtake, Keiji Kataoka | 1988-07-26 |