Inventor · disambiguated record
Katsumi Yamatogi
Also filed as: YAMATOGI KATSUMI
13 granted patents·843 citations·filing 1988–2007
95Inventor score
Technology areasG09G
Top patents by PatentIndex Score
13 records- 0198USD345163SHeadphoneSONY CORP·Filed 1992·Granted Mar 15, 1994·79 cites·1 claims
- 0298USD338010SHeadphoneSONY CORP·Filed 1991·Granted Aug 3, 1993·118 cites·1 claims
- 0396USD348466SHeadphoneSONY CORP·Filed 1992·Granted Jul 5, 1994·45 cites·1 claims
- 0496USD348465SHeadphoneSONY CORP·Filed 1992·Granted Jul 5, 1994·42 cites·1 claims
- 0596USD345162SHeadphoneSONY CORP·Filed 1992·Granted Mar 15, 1994·51 cites·1 claims
- 0696USD333560SEarphone caseSONY CORP·Filed 1989·Granted Mar 2, 1993·78 cites·1 claims
- 0796USD325578STransmitter for a headphoneSONY CORP·Filed 1989·Granted Apr 21, 1992·67 cites·1 claims
- 0894USD347434SHeadphoneSONY CORP·Filed 1992·Granted May 31, 1994·36 cites·1 claims
- 0994USD328461SHeadphoneSONY CORP·Filed 1989·Granted Aug 4, 1992·241 cites·1 claims
- 1091USD319241SHeadphoneSONY CORP·Filed 1989·Granted Aug 20, 1991·36 cites·1 claims
- 1189USD318473SEarphone earpieceMIYASHITA OHSHI·Filed 1989·Granted Jul 23, 1991·42 cites·1 claims
- 1260USD316106SHand held copying machineSONY CORP·Filed 1988·Granted Apr 9, 1991·8 cites·1 claims
- 1351US8614651B2Thin apparatus for displaying imageCHEN XIONG·Filed 2007·Granted Dec 24, 2013·0 cites·8 claims
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