Inventor
YAMAMOTO ISAMU
JP32 patents
⚠️ This page may combine multiple inventors who share the name “YAMAMOTO ISAMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
6 patentsUS4875098AOct 17, 1989
Output signal processing circuit for CCD register
SONY CORP35 citations92
US4816917AMar 28, 1989
Clamp circuit for a solid-state image device
SONY CORP29 citations92
US4821100AApr 11, 1989
Image signal compressor
SONY CORP8 citations74
US5243426ASep 7, 1993
Circuit for gamma correction of a digital video signal and having a memory for storing data defining a desired gamma correction characteristic
SONY CORP19 citations73
US4700221AOct 13, 1987
Power control circuit for a color encoder of a video camera
SONY CORP8 citations73
US8040408B2Oct 18, 2011
Image signal processing apparatus, image capturing apparatus, and image signal processing method
SONY CORP1 citations45
MITSUBISHI ELECTRIC CORP
6 patentsUS5578919ANov 26, 1996
Method of testing semiconductor device and test apparatus for the same
MITSUBISHI ELECTRIC CORP21 citations90
US4945391AJul 31, 1990
Semiconductor device housing with laser diode and light receiving element
MITSUBISHI ELECTRIC CORP20 citations81
US5517036AMay 14, 1996
Tape carrier, and test apparatus for the same
MITSUBISHI ELECTRIC CORP17 citations80
US5013689AMay 7, 1991
Method of forming a passivation film
MITSUBISHI ELECTRIC CORP21 citations80
US4877756AOct 31, 1989
Method of packaging a semiconductor laser and photosensitive semiconductor device
MITSUBISHI ELECTRIC CORP22 citations80
US4283838AAug 18, 1981
Method of making plastic encapsulated semiconductor devices
MITSUBISHI ELECTRIC CORP5 citations60
TOYO BOSEKI
5 patentsUS4886631ADec 12, 1989
Cellulose ester hollow fiber membrane for plasma separation
TOYO BOSEKI6 citations74
US5624561AApr 29, 1997
Cellulose acetate hemodialysis membrane
TOYO BOSEKI11 citations70
US5266197ANov 30, 1993
Hollow fiber membrane for blood purification
TOYO BOSEKI9 citations66
US4808312AFeb 28, 1989
Cellulose ester hollow fiber membrane for plasma separation
TOYO BOSEKI4 citations63
US5783124AJul 21, 1998
Cellulose acetate hemodialysis membrane
TOYO BOSEKI3 citations59
HITACHI METALS LTD
3 patentsMITSUI TOATSU CHEMICALS
3 patentsUS4657704AApr 14, 1987
Production of aminoalkylsulfonic acids
MITSUI TOATSU CHEMICALS25 citations89
US4507500AMar 26, 1985
Process for producing 2-mercaptoethylamine hydrohalides
MITSUI TOATSU CHEMICALS5 citations60
US4196155AApr 1, 1980
Process for preparing organic phosphorus compounds
MITSUI TOATSU CHEMICALS1 citations50