Inventor · disambiguated record
Takao Sugano
Also filed as: SUGANO TAKAO
29 granted patents·837 citations·filing 1987–2022
97Inventor score
Files withKOKUYO KK17FUJITSU LTD9KOBELCO CONSTR MACH CO LTD1KOBELCO CONSTR MACHINERY LTD1MANABE TETSUNORI1
Top patents by PatentIndex Score
29 records- 0196US5102196AChair provided with a backrestKOKUYO KK·Filed 1988·Granted Apr 7, 1992·280 cites·36 claims
- 0295US4966411AChair provided with a backrestKOKUYO KK·Filed 1987·Granted Oct 30, 1990·194 cites·12 claims
- 0392US11540637B2Seat, chair, and load support bodyKOKUYO KK·Filed 2021·Granted Jan 3, 2023·4 cites·16 claims
- 0489US10820704B2Chair and seat support mechanismKOKUYO KK·Filed 2016·Granted Nov 3, 2020·11 cites·19 claims
- 0587US10842276B2Chair and cover member of the chairKOKUYO KK·Filed 2016·Granted Nov 24, 2020·9 cites·6 claims
- 0686US6540036B1Construction machineKOBELCO CONSTR MACHINERY LTD·Filed 2000·Granted Apr 1, 2003·36 cites·6 claims
- 0783US6411325B1Optical unit, and electrophotographic recording device having sameFUJITSU LTD·Filed 2000·Granted Jun 25, 2002·26 cites·17 claims
- 0879US6118463APositional error correction for color image forming apparatusFUJITSU LTD·Filed 1998·Granted Sep 12, 2000·73 cites·21 claims
- 0976US11533998B2ChairKOKUYO KK·Filed 2018·Granted Dec 27, 2022·5 cites·15 claims
- 1076US9359931B2Gas release apparatus for construction machineKOBELCO CONSTR MACH CO LTD·Filed 2014·Granted Jun 7, 2016·3 cites·8 claims
- 1175US10881208B2Chair and seat support mechanismKOKUYO KK·Filed 2016·Granted Jan 5, 2021·4 cites·20 claims
- 1272US8469136B2Hybrid construction machineMANABE TETSUNORI·Filed 2010·Granted Jun 25, 2013·8 cites·3 claims
- 1372US6466247B1Timing control of light beam scanFUJITSU LTD·Filed 2000·Granted Oct 15, 2002·12 cites·9 claims
- 1471US11253077B2Chair with return force mechanismKOKUYO KK·Filed 2016·Granted Feb 22, 2022·3 cites·12 claims
- 1568US5864739ALight source package incorporating thermal expansion compensating device and image forming apparatus using the sameFUJITSU LTD·Filed 1997·Granted Jan 26, 1999·33 cites·9 claims
- 1667US5718474AFoldable chairKOKUYO KK·Filed 1995·Granted Feb 17, 1998·41 cites·6 claims
- 1767US5634684AFoldable chairKOKUYO KK·Filed 1995·Granted Jun 3, 1997·29 cites·3 claims
- 1866US11202509B2ChairKOKUYO KK·Filed 2017·Granted Dec 21, 2021·2 cites·18 claims
- 1966US10918211B2Chair and seat support mechanismKOKUYO KK·Filed 2016·Granted Feb 16, 2021·2 cites·20 claims
- 2066US6333756B1Optical unit and its manufacturing method and electrophotographic recording deviceFUJITSU LTD·Filed 2000·Granted Dec 25, 2001·11 cites·10 claims
- 2161US11096495B2ChairKOKUYO KK·Filed 2017·Granted Aug 24, 2021·1 cites·8 claims
- 2261US10806260B2ChairKOKUYO KK·Filed 2016·Granted Oct 20, 2020·1 cites·12 claims
- 2359US12114784B2Chair having a movable seatKOKUYO KK·Filed 2022·Granted Oct 15, 2024·0 cites·7 claims
- 2456US6236040B1Image forming apparatusFUJITSU LTD·Filed 1997·Granted May 22, 2001·20 cites·11 claims
- 2546US5724087AImage forming apparatus and method for correcting a scanning line bendFUJITSU LTD·Filed 1995·Granted Mar 3, 1998·14 cites·11 claims
- 2645US11297951B2Chair whose seat swings in a front-rear direction and a left-right directionKOKUYO KK·Filed 2017·Granted Apr 12, 2022·0 cites·15 claims
- 2743US11103069B2ChairKOKUYO KK·Filed 2017·Granted Aug 31, 2021·0 cites·18 claims
- 2838US5764270AImage forming apparatus with a plurality of image forming unitsFUJITSU LTD·Filed 1996·Granted Jun 9, 1998·9 cites·11 claims
- 2936US6191804B1Image forming apparatusFUJITSU LTD·Filed 1997·Granted Feb 20, 2001·6 cites·9 claims
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