Inventor · disambiguated record
Hisashi Hanzawa
Also filed as: HANZAWA HISASHI · OGAWA TAIZO
14 granted patents·134 citations·filing 1977–2002
92Inventor score
Top patents by PatentIndex Score
14 records- 0182US4225894AMode change-over mechanism for recording and/or reproducing apparatusSONY CORP·Filed 1978·Granted Sep 30, 1980·27 cites·21 claims
- 0278US5852757AElectrophotographic image forming apparatus having a device for recovering residual tonerFUJITSU LTD·Filed 1996·Granted Dec 22, 1998·32 cites·18 claims
- 0362US6592041B1Transfer apparatus and recording and/or reproduction method and transfer method and recording and/or reproduction methodSONY CORP·Filed 2000·Granted Jul 15, 2003·8 cites·55 claims
- 0460US4147898ARecording and/or reproducing apparatus mode control systemSONY CORP·Filed 1977·Granted Apr 3, 1979·10 cites·12 claims
- 0559US5414573ACassette accommodating type electronic device having a plurality of windows for identifying the amount of remaining tape and the side label of the cassette accommodated in the deviceSONY CORP·Filed 1993·Granted May 9, 1995·12 cites·8 claims
- 0657US5528344AImage forming deviceFUJITSU LTD·Filed 1995·Granted Jun 18, 1996·13 cites·29 claims
- 0756US7125271B2Storage medium convey apparatus and convey method with ejection apparatusSONY CORP·Filed 2002·Granted Oct 24, 2006·7 cites·13 claims
- 0849US5764433AShort-side-loading tape cassette recording and/or reproducing apparatusSONY CORP·Filed 1995·Granted Jun 9, 1998·9 cites·23 claims
- 0942US6434356B1Recording apparatus responsive to changing electrical resistance of transfer mediaFUJITSU LTD·Filed 2000·Granted Aug 13, 2002·2 cites·5 claims
- 1042US6400922B2Image-forming device having a plurality of image-forming units respectively apply the difference force to the recordable mediumFUJITSU LTD·Filed 2001·Granted Jun 4, 2002·2 cites·9 claims
- 1138US4178809AMode change-over device for recording and/or reproducing apparatusSONY CORP·Filed 1978·Granted Dec 18, 1979·5 cites·10 claims
- 1234US5953182AHead moving and holding mechanism for reversible tape recorderSONY CORP·Filed 1997·Granted Sep 14, 1999·2 cites·22 claims
- 1334US5943182AMagnetic recording and/or playback apparatus with reduced drive belt tension during high-speed tape driveSONY CORP·Filed 1998·Granted Aug 24, 1999·2 cites·2 claims
- 1428US5621589ARecording and/or reproducing apparatusSONY CORP·Filed 1994·Granted Apr 15, 1997·3 cites·26 claims
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