Tsurushima; Katsuaki
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tsurushima; Katsuaki.The latest application filed is for "multi-format recording medium".
- Tsurushima; Katsuaki - Kanagawa JP
- Tsurushima; Katsuaki - Kawasaki JP
- Tsurushima; Katsuaki - Tokyo JP
- Tsurushima; Katsuaki - Yokohama JA
| Patent | Date |
|---|---|
| Image projection method and image projector Grant 6,575,581 - Tsurushima June 10, 2 | 2003-06-10 |
| Multi-format Recording Medium App 20010047256 - TSURUSHIMA, KATSUAKI ; et al. | 2001-11-29 |
| Image projection method and image projector App 20010005262 - Tsurushima, Katsuaki | 2001-06-28 |
| Optical disc with magnetic member in a recessed portion thereof and method for producing said optical disc Grant 5,859,834 - Takahashi , et al. * January 12, 1 | 1999-01-12 |
| Disk having a lead-in region containing display data and an apparatus for recording and/or reproducing the disc Grant 5,521,900 - Ando , et al. May 28, 1 | 1996-05-28 |
| Optical disc recording apparatus and optical disc reproducing apparatus Grant 5,345,433 - Ohga , et al. September 6, 1 | 1994-09-06 |
| Optical disc recording and/or reproducing apparatus having a buffer memory to accommodate track jumps Grant 5,317,553 - Ohga , et al. May 31, 1 | 1994-05-31 |
| Disc protecting cover Grant 5,299,186 - Tsurushima March 29, 1 | 1994-03-29 |
| Disc-shaped recording medium Grant 5,244,705 - Tsurushima , et al. September 14, 1 | 1993-09-14 |
| Disc recording apparatus Grant 5,148,418 - Tsurushima September 15, 1 | 1992-09-15 |
| Optical disc player Grant 4,519,058 - Tsurushima , et al. May 21, 1 | 1985-05-21 |
| Objective lens mount and drive for optical disc player Grant 4,482,988 - Tsurushima , et al. November 13, 1 | 1984-11-13 |
| Objective lens assembly for optical disc player Grant 4,473,274 - Yano , et al. September 25, 1 | 1984-09-25 |
| Bias circuit for FET Grant 4,031,482 - Tsurushima June 21, 1 | 1977-06-21 |
| Oscillator circuit Grant 3,955,154 - Sasaki , et al. May 4, 1 | 1976-05-04 |
| Variable gain control circuit Grant 3,943,286 - Tsurushima March 9, 1 | 1976-03-09 |
| Transistor amplifier Grant 3,921,089 - Tsurushima November 18, 1 | 1975-11-18 |
| Protective circuit for field effect transistor amplifier Grant 3,912,981 - Tsurushima October 14, 1 | 1975-10-14 |
| Integrated logic circuit for the decoder of a multi-channel stereo apparatus Grant 3,885,099 - Tsurushima , et al. May 20, 1 | 1975-05-20 |
| Decoder Apparatus With Logic Circuit For Use With A Four Channel Stereo Grant 3,883,692 - Tsurushima May 13, 1 | 1975-05-13 |
| Muting Circuit Grant 3,828,267 - Tsurushima August 6, 1 | 1974-08-06 |
| Four Channel Decoder With Variable Mixing Of The Output Channels Grant 3,786,193 - Tsurushima January 15, 1 | 1974-01-15 |
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