Issued Patents All Time
Showing 226–250 of 293 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5313447 | Optical head | Nobuo Takeshita, Kenjiro Kime, Teruo Fujita, Hiroo Shimegi | 1994-05-17 |
| 5271628 | Crane game machine | — | 1993-12-21 |
| 5231626 | Wavelength selective optical recording and reproducing method | Michihiro Tadokoro, Motomu Yoshimura, Mitsuo Maeda | 1993-07-27 |
| 5178390 | Game machine | — | 1993-01-12 |
| 5152529 | Game machine | — | 1992-10-06 |
| 5127651 | Slot machine | — | 1992-07-07 |
| 5107409 | Optical head for optical information recording/reproducing apparatus | Michihiro Tadokoro | 1992-04-21 |
| 5083785 | Win control method and apparatus for game machines | — | 1992-01-28 |
| 5074559 | Slot machine | — | 1991-12-24 |
| 5051975 | Optical recording and/or reproducing apparatus having a temperature adjusting device | Michihiro Tadokoro, Hitoshi Imai | 1991-09-24 |
| 5031911 | Ball-shooting game machine | — | 1991-07-16 |
| 5025430 | Magneto-optic recording and reproducing apparatus including a multiple layer recording medium having a premagnetized bias layer replacing an external bias magnetic | Michihiro Takokoro, Hitoshi Imai | 1991-06-18 |
| 5024439 | Slot machine | — | 1991-06-18 |
| 5018737 | Slot machine | — | 1991-05-28 |
| 5016232 | Magneto-optic information-carrying medium including three magnetic layers | Michihiro Tadokoro, Hitoshi Imai | 1991-05-14 |
| 5010995 | Slot machine | — | 1991-04-30 |
| 5004900 | Focusing error detecting apparatus with light switching and detector sampling | Masatomo Seya, Michihiro Tadokoro | 1991-04-02 |
| 5004238 | Ball-shooting game machine | — | 1991-04-02 |
| 4995193 | Method of preventing adherence of ash to gasifier wall | Kunio Soga, Noriaki Tanaka, Morio Sogame, Toshio Tsujino | 1991-02-26 |
| 4992852 | Circuit with a comb filter for causing color difference signals to coincide on each scanning line | Ikuhisa Sekizawa | 1991-02-12 |
| 4965785 | Optical head including a collimator having lenses of different focal lengths | Michihiro Tadokoro | 1990-10-23 |
| 4962479 | Optical data storage system with wavelength selective laminate | Hitoshi Imai | 1990-10-09 |
| 4959732 | Still video signal playback apparatus for converting an input video signal into a noise cancelled, drop-out compensated playback signal | Akio Sato | 1990-09-25 |
| 4956812 | Wavelength selective optical recording and reproducing device | Masatomo Seya, Motomu Yoshimura, Mitsuo Maeda | 1990-09-11 |
| 4956813 | Apparatus for regenerating information from records made by optical-wavelength-multiplexing method | Masatomo Seya | 1990-09-11 |