Inventor
MASUDA ISAO
JP39 patents
⚠️ This page may combine multiple inventors who share the name “MASUDA ISAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KIORITZ CORP
12 patentsUS5738184AApr 14, 1998
Muffler for a two-stroke engine
KIORITZ CORP68 citations96
US5373119ADec 13, 1994
Exhaust muffler for internal combustion engine
KIORITZ CORP59 citations96
US5440083AAug 8, 1995
Exhaust muffler for internal combustion engine
KIORITZ CORP24 citations92
US4930467AJun 5, 1990
Internal combustion engine with automatic starter for portable working machine
KIORITZ CORP31 citations92
US5206467AApr 27, 1993
Muffler with a catalyst
KIORITZ CORP28 citations91
US4960194AOct 2, 1990
Centrifugal clutch
KIORITZ CORP20 citations78
US4838116AJun 13, 1989
Crank
KIORITZ CORP17 citations74
US5211153AMay 18, 1993
Two-cycle internal combustion gasoline engine cylinder
KIORITZ CORP9 citations72
US4958745ASep 25, 1990
Connector tank means for cap for mouth of tank
KIORITZ CORP5 citations63
US4465331AAug 14, 1984
Device for preventing radio frequency interference from spark plug
KIORITZ CORP6 citations63
US4873946AOct 17, 1989
Two-cycle internal combustion engine
KIORITZ CORP4 citations62
US4970769ANov 20, 1990
Method for producing cylinder having scavenging passages for two-cycle internal combustion engine
KIORITZ CORP3 citations54
VICTOR COMPANY OF JAPAN
7 patentsUS4596981AJun 24, 1986
Synchronizing signal detecting circuit in a digital signal transmitting system
VICTOR COMPANY OF JAPAN33 citations92
US4516163AMay 7, 1985
Digital information signal recording system
VICTOR COMPANY OF JAPAN14 citations74
US4509155AApr 2, 1985
Circuit arrangement for a disk player for reproducing information prerecorded in the form of pits
VICTOR COMPANY OF JAPAN15 citations73
US4360824ANov 23, 1982
Systems for recording both information and pilot signals directly on recording medium
VICTOR COMPANY OF JAPAN4 citations63
US3943303AMar 9, 1976
Abnormal sound eliminating system in record disc reproducing apparatus
VICTOR COMPANY OF JAPAN3 citations63
US4667318AMay 19, 1987
Data producing device in a signal reproducing apparatus
VICTOR COMPANY OF JAPAN4 citations62
US4561083ADec 24, 1985
Memory circuit write-in system
VICTOR COMPANY OF JAPAN4 citations62
HOYA CORP
4 patentsUS4871230AOct 3, 1989
Single mode phosphate laser glass fiber
HOYA CORP27 citations92
US4391916AJul 5, 1983
Alkali-free glass for photoetching mask
HOYA CORP7 citations74
US4726652AFeb 23, 1988
Faraday rotation single-mode optical fiber
HOYA CORP13 citations73
US4403043ASep 6, 1983
Glass for photoetching mask
HOYA CORP5 citations54
SONY CORP
4 patentsUS5303046AApr 12, 1994
Video signal processing apparatus with time base correction and inhibition of horizontal sync signal replacement during vertical flyback
SONY CORP7 citations74
US5151792ASep 29, 1992
Video signal reproducing apparatus with means for producing a crosstalk eliminated luminance output signal
SONY CORP4 citations63
US4750033AJun 7, 1988
Comb filter, chrominance and luminance signal separating circuit for modifying the level-frequency characteristic of the luminance signal
SONY CORP3 citations63
US4731674AMar 15, 1988
Color video signal processing apparatus for crosstalk elimination
SONY CORP6 citations62
TAKEDA CHEMICAL INDUSTRIES LTD
3 patentsUS4474942AOct 2, 1984
Cross-linked polyesteramide from bis(2-oxazoline)
TAKEDA CHEMICAL INDUSTRIES LTD44 citations91
US4600766AJul 15, 1986
Process for producing cross-linked resin from bis(2-oxazoline) and aromatic hydroxy-carboxylic acid
TAKEDA CHEMICAL INDUSTRIES LTD18 citations81
US4579937AApr 1, 1986
Catalytic process for producing cross-linked polyesteramide from bis-oxazoline and dicarboxylic acid
TAKEDA CHEMICAL INDUSTRIES LTD18 citations81
HOKUETSU KOGYO CO
3 patentsUS12257896B2Mar 25, 2025
Traveling operation device of crawler-type aerial work platform
HOKUETSU KOGYO CO1 citations55
US12428280B2Sep 30, 2025
Method and device for preventing collision of aerial work platform with upward obstacle
HOKUETSU KOGYO CO0 citations46
US9695720B2Jul 4, 2017
Method of regenerating exhaust gas post-processing apparatus in engine-driven generator, and regeneration apparatus
HOKUETSU KOGYO CO0 citations41
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
2 patentsUS6243469B1Jun 5, 2001
Information transmission method and apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD191 citations98
US6714649B1Mar 30, 2004
Pay broadcasting system with enhanced security against illegal access to a down loaded program in a subscriber terminal
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD47 citations92