Assignee
ISHIKAWA TSUTOMU
JP·5 granted patents·4 pending applications·6 citations·filing 1990–2011
Top patents by PatentIndex Score
9 records- 0161US8194710B2Semiconductor laser with heaterISHIKAWA TSUTOMU·Filed 2009·Granted Jun 5, 2012·1 cites·11 claims
- 0251US8101957B2Optical semiconductor device, laser chip and laser moduleISHIKAWA TSUTOMU·Filed 2007·Granted Jan 24, 2012·0 cites·3 claims
- 0350US8563991B2Optical semiconductor device, laser chip and laser moduleISHIKAWA TSUTOMU·Filed 2011·Granted Oct 22, 2013·0 cites·5 claims
- 0447US9011109B2Variable Capacity CompressorISHIKAWA TSUTOMU·Filed 2011·Granted Apr 21, 2015·0 cites·5 claims
- 0545US2013272903A1Refrigerant CompressorISHIKAWA TSUTOMU·Filed 2011·Application pending·0 cites
- 0644US2013101443A1Variable Capacity CompressorISHIKAWA TSUTOMU·Filed 2011·Application pending·0 cites
- 0741US2013287618A1Refrigerant CompressorISHIKAWA TSUTOMU·Filed 2011·Application pending·0 cites
- 0839US2008033182A1Bisguanidine Compound Optical Resolver and Chiral Molecule Separating AgentISHIKAWA TSUTOMU·Filed 2005·Application pending·0 cites
- 0932US5136649AFm stereophonic receiverISHIKAWA TSUTOMU·Filed 1990·Granted Aug 4, 1992·5 cites·3 claims
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