P

Inventor

HASEGAWA SHINICHI

JP78 patents
⚠️ This page may combine multiple inventors who share the name “HASEGAWA SHINICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PIONEER ELECTRONIC CORP

14 patents
US4737678AApr 12, 1988

Cooling system for projection television receiver

PIONEER ELECTRONIC CORP66 citations96
US5202706AApr 13, 1993

Focusing apparatus in projection television

PIONEER ELECTRONIC CORP34 citations93
US4913528AApr 3, 1990

Optical prism, and projection television set using same

PIONEER ELECTRONIC CORP49 citations93
US4578710AMar 25, 1986

Lens system for projection television

PIONEER ELECTRONIC CORP41 citations93
US4838665AJun 13, 1989

Temperature-compensated lens system

PIONEER ELECTRONIC CORP29 citations92
US4919515AApr 24, 1990

Screen for a rear projection type television set

PIONEER ELECTRONIC CORP23 citations89
US5045930ASep 3, 1991

Optical system for a three-tube projection television set

PIONEER ELECTRONIC CORP20 citations82
US5010397AApr 23, 1991

Triple tube type projection television

PIONEER ELECTRONIC CORP8 citations74
US4957341ASep 18, 1990

Integral type lens

PIONEER ELECTRONIC CORP17 citations74
US4780640AOct 25, 1988

Projection television receiver with liquid-cooled lens

PIONEER ELECTRONIC CORP17 citations74
US4777532AOct 11, 1988

Projection apparatus for a projection television receiver

PIONEER ELECTRONIC CORP14 citations74
US4761063AAug 2, 1988

Projection lens system

PIONEER ELECTRONIC CORP15 citations74
US4730211AMar 8, 1988

Projection-type color television receiver wherein the center lines of right and left projection lenses intersect a display screen at points which are offset from a point at which the center line of a center projection lens intersects the display screen

PIONEER ELECTRONIC CORP16 citations74
US4725755AFeb 16, 1988

Projection television receiver with liquid-cooled lens

PIONEER ELECTRONIC CORP13 citations74

NEC CORP

10 patents

SONY CORP

8 patents

MITSUBISHI MONSANTO CHEM

4 patents

SUMITOMO CHEMICAL CO

4 patents

JATCO CORP

3 patents

MITSUBISHI METAL CORP

2 patents

NIKON CORP

1 patent

(unassigned)

1 patent

MITSUBISHI ELECTRIC CORP

1 patent

STANLEY ELECTRIC CO LTD

1 patent

NOK CORP

1 patent

Showing the top 50 of 78 patents by PatentIndex Score.