Inventor
NAKAMURA TSUTOMU
JP212 patents
⚠️ This page may combine multiple inventors who share the name “NAKAMURA TSUTOMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHINETSU CHEMICAL CO
13 patentsUS6734250B2May 11, 2004
Electrically conductive silicone rubber composition
SHINETSU CHEMICAL CO58 citations96
US6875534B2Apr 5, 2005
Polymer electrolyte fuel-cell separator sealing rubber composition
SHINETSU CHEMICAL CO29 citations93
US6384171B1May 7, 2002
Coating composition and coated silicone rubber member
SHINETSU CHEMICAL CO30 citations93
US5306558AApr 26, 1994
Double-layered rubber laminate
SHINETSU CHEMICAL CO34 citations93
US4977200ADec 11, 1990
Ethylene-propylene organopolysiloxane rubber composition
SHINETSU CHEMICAL CO24 citations93
US4560719ADec 24, 1985
Flame retardant polyolefin-based rubber composition
SHINETSU CHEMICAL CO41 citations93
US6469090B2Oct 22, 2002
Electrically conductive liquid silicone rubber composition
SHINETSU CHEMICAL CO25 citations92
US6414078B1Jul 2, 2002
Conductive silicone rubber composition
SHINETSU CHEMICAL CO26 citations92
US6309563B1Oct 30, 2001
Conductive silicone rubber composition and low-resistance connector
SHINETSU CHEMICAL CO38 citations92
US6268426B1Jul 31, 2001
Conductive fluorosilicone rubber composition
SHINETSU CHEMICAL CO21 citations92
US5925709AJul 20, 1999
Method for the preparation of silicone rubber
SHINETSU CHEMICAL CO32 citations92
US5725922AMar 10, 1998
Semiconductive silicone rubber compositions and semiconductive silicone rubber rolls
SHINETSU CHEMICAL CO38 citations92
US5582885ADec 10, 1996
Silicone rubber roll
SHINETSU CHEMICAL CO23 citations92
SUMITOMO ELECTRIC INDUSTRIES
8 patentsUS5934542AAug 10, 1999
High strength bonding tool and a process for production of the same
SUMITOMO ELECTRIC INDUSTRIES151 citations99
US5366522ANov 22, 1994
Polycrystalline diamond cutting tool and method of manufacturing the same
SUMITOMO ELECTRIC INDUSTRIES64 citations96
US5178645AJan 12, 1993
Cutting tool of polycrystalline diamond and method of manufacturing the same
SUMITOMO ELECTRIC INDUSTRIES66 citations96
US4610699ASep 9, 1986
Hard diamond sintered body and the method for producing the same
SUMITOMO ELECTRIC INDUSTRIES108 citations96
US5759216AJun 2, 1998
Diamond sintered body having high strength and high wear-resistance and manufacturing method thereof
SUMITOMO ELECTRIC INDUSTRIES100 citations95
US5294381AMar 15, 1994
Method of manufacturing a diamond heat sink
SUMITOMO ELECTRIC INDUSTRIES54 citations95
US5020394AJun 4, 1991
Polycrystal diamond fluted tool and a process for the production of the same
SUMITOMO ELECTRIC INDUSTRIES48 citations93
US5653376AAug 5, 1997
High strength bonding tool and a process for the production of the same
SUMITOMO ELECTRIC INDUSTRIES18 citations92
HITACHI LTD
8 patentsUS5309516AMay 3, 1994
Group cipher communication method and group cipher communication system
HITACHI LTD93 citations96
US5222139AJun 22, 1993
Cryptographic method and apparatus
HITACHI LTD75 citations96
US5144665ASep 1, 1992
Cryptographic communication method and system
HITACHI LTD102 citations96
US5117458AMay 26, 1992
Secret information service system and method
HITACHI LTD111 citations96
US4260920AApr 7, 1981
Multi-pole permanent magnet rotor
HITACHI LTD55 citations96
US4093897AJun 6, 1978
Electric motor
HITACHI LTD63 citations96
US4920529AApr 24, 1990
Network control method and apparatus therefor
HITACHI LTD67 citations94
US4726027AFeb 16, 1988
Data retransmitting method in communication network
HITACHI LTD52 citations93
OLYMPUS OPTICAL CO
4 patentsUS5754280AMay 19, 1998
Two-dimensional rangefinding sensor
OLYMPUS OPTICAL CO78 citations96
US4878120AOct 31, 1989
Solid state image sensor including static induction transistor with gate surrounding source and/or drain
OLYMPUS OPTICAL CO54 citations96
US6364846B1Apr 2, 2002
Treating tool for an endoscope
OLYMPUS OPTICAL CO28 citations93
US4819071AApr 4, 1989
Solid state imaging apparatus
OLYMPUS OPTICAL CO51 citations93
HITACHI HIGH TECH CORP
2 patentsOLYMPUS CORP
2 patentsNIPPON SOKEN
2 patentsBRIDGESTONE CORP
2 patentsMITSUI CHEMICALS INC
1 patentNEC CORP
1 patentMEISEI ELECTRIC CO LTD
1 patentKAKEN PHARMA CO LTD
1 patentSHARP KK
1 patentDENSO CORP
1 patentTEIJIN LTD
1 patentHAMAMATSU PHOTONICS KK
1 patentSHIN ESTU CHEMICAL CO LTD
1 patentShowing the top 50 of 212 patents by PatentIndex Score.