Inventor
ITO TATSUO
JP77 patents
⚠️ This page may combine multiple inventors who share the name “ITO TATSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
10 patentsUS5920418AJul 6, 1999
Diffractive optical modulator and method for producing the same, infrared sensor including such a diffractive optical modulator and method for producing the same, and display device including such a diffractive optical modulator
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD164 citations99
US5949570ASep 7, 1999
Diffractive optical modulator and method for producing the same, infrared sensor including such a diffractive optical modulator and method for producing the same, and display device including such a diffractive optical modulator
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD97 citations98
US6072620AJun 6, 2000
Output efficiency control device, projection-type display apparatus, infrared sensor, and non-contact thermometer
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD56 citations96
US6400671B2Jun 4, 2002
Optical head device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations74
US7342867B2Mar 11, 2008
Optical head device, optical recording device, and optical recording method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations63
US7193955B2Mar 20, 2007
Optical head device and optical information reproducing device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations63
US6643303B2Nov 4, 2003
Laser drive device, optical head, and optical information processor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations63
US6278670B1Aug 21, 2001
Optical head apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations63
US5416630AMay 16, 1995
Circular arc illumination apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations63
US5390044AFeb 14, 1995
Circular arc illumination apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations63
SHINETSU HANDOTAI KK
6 patentsUS5152857AOct 6, 1992
Method for preparing a substrate for semiconductor devices
SHINETSU HANDOTAI KK345 citations97
US6958094B2Oct 25, 2005
Single crystal cutting method
SHINETSU HANDOTAI KK56 citations96
US5232870AAug 3, 1993
Method for production of bonded wafer
SHINETSU HANDOTAI KK61 citations96
US5032544AJul 16, 1991
Process for producing semiconductor device substrate using polishing guard
SHINETSU HANDOTAI KK48 citations92
US5653803AAug 5, 1997
Method of manufacturing a substrate for manufacturing silicon semiconductor elements
SHINETSU HANDOTAI KK12 citations74
US7459720B2Dec 2, 2008
Single crystal wafer and solar battery cell
SHINETSU HANDOTAI KK2 citations63
FUJITSU TEN LTD
6 patentsUS5068897ANov 26, 1991
Mobile acoustic reproducing apparatus
FUJITSU TEN LTD53 citations89
US4491975AJan 1, 1985
Radio receiver of electronic tuning system having automatic presetting circuit
FUJITSU TEN LTD19 citations74
US4207531AJun 10, 1980
Tuning control system of radio receiver
FUJITSU TEN LTD7 citations74
US4506266AMar 19, 1985
Antenna apparatus for vehicle-mounted receiver/transmitter equipment with automatic antenna length control
FUJITSU TEN LTD7 citations70
US4348770ASep 7, 1982
Manual channel selection apparatus
FUJITSU TEN LTD3 citations63
US4197504AApr 8, 1980
Common indicator unit for radio receiver and transceiver
FUJITSU TEN LTD3 citations63
YOSHIDA KOGYO KK
6 patentsUS5103555AApr 14, 1992
Apparatus for applying sliders
YOSHIDA KOGYO KK9 citations74
US5077884AJan 7, 1992
Apparatus for manufacturing slide fasteners
YOSHIDA KOGYO KK9 citations74
US5056205AOct 15, 1991
Method of and apparatus for manufacturing slide fasteners
YOSHIDA KOGYO KK11 citations73
US5020206AJun 4, 1991
Method of manufacturing slide fastener chain bearing patterns
YOSHIDA KOGYO KK14 citations69
US5138763AAug 18, 1992
Method of and apparatus for manufacturing slide fasteners
YOSHIDA KOGYO KK2 citations63
US5075949ADec 31, 1991
Method of manufacturing slide fasteners
YOSHIDA KOGYO KK2 citations63
RICOH KK
4 patentsUS5418889AMay 23, 1995
System for generating knowledge base in which sets of common causal relation knowledge are generated
RICOH KK48 citations93
US7239406B1Jul 3, 2007
System for capturing facsimile data in an electronic document management system
RICOH KK24 citations91
US7613404B2Nov 3, 2009
Image forming apparatus transferring log information
RICOH KK18 citations84
US7359074B2Apr 15, 2008
Image forming apparatus associating with other apparatuses through network
RICOH KK15 citations84
TOYODA GOSEI KK
3 patentsMITSUBISHI ELECTRIC CORP
2 patentsMEIJI SEIKA KAISHA
2 patentsITO TATSUO
2 patentsASTELLAS PHARMA INC
1 patentSANYO ELECTRIC CO
1 patentISHIDA SEISAKUSHO
1 patentTOKYO SHIBAURA ELECTRIC CO
1 patentTGK CO LTD
1 patentHITACHI CHEMICAL CO LTD
1 patentKAYABA INDUSTRY CO LTD
1 patentRICOH CO LTD
1 patentPANASONIC CORP
1 patentShowing the top 50 of 77 patents by PatentIndex Score.