Inventor · disambiguated record
Akiyoshi Hakoyama
Also filed as: HAKOYAMA AKIYOSHI
13 granted patents·169 citations·filing 1979–1991
92Inventor score
Top patents by PatentIndex Score
13 records- 0187US4216481AMethod of driving a thermal head and apparatus thereforHITACHI LTD·Filed 1979·Granted Aug 5, 1980·31 cites·3 claims
- 0277US4560993AThermal printing method and thermal printerHITACHI LTD·Filed 1984·Granted Dec 24, 1985·21 cites·5 claims
- 0373US4528572AThermal printerHITACHI LTD·Filed 1984·Granted Jul 9, 1985·20 cites·5 claims
- 0472US5270827AOptical recording system for controlling recording light quantity based on pixel patterns in an imageHITACHI LTD·Filed 1990·Granted Dec 14, 1993·46 cites·20 claims
- 0561US4707708AThermal print headHITACHI LTD·Filed 1986·Granted Nov 17, 1987·13 cites·7 claims
- 0655US4672391AThermal headHITACHI LTD·Filed 1985·Granted Jun 9, 1987·10 cites·7 claims
- 0747US4287521ACRT Hard copy apparatus with multi-directional sampling and printingHITACHI LTD·Filed 1980·Granted Sep 1, 1981·9 cites·8 claims
- 0840US4840500AThermal transfer printer having an improved thermal head to improve ink transfer evenessHITACHI LTD·Filed 1987·Granted Jun 20, 1989·4 cites·6 claims
- 0936US4743923AThermal headKYOCERA CORP·Filed 1986·Granted May 10, 1988·5 cites·7 claims
- 1035US5151973APrinting apparatus and information processing apparatus using the sameHITACHI LTD·Filed 1991·Granted Sep 29, 1992·5 cites·19 claims
- 1134US4652155APrinter having a thermal headHITACHI LTD·Filed 1985·Granted Mar 24, 1987·2 cites·9 claims
- 1232US4969047AProcessor for detecting the number of bit times in portions of a binary video signal to produce a corresponding number of width adjustable dot pulsesHITACHI LTD·Filed 1989·Granted Nov 6, 1990·2 cites·4 claims
- 1329US4591878AThermal printerHITACHI LTD·Filed 1984·Granted May 27, 1986·1 cites·1 claims
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