P

Inventor

KOIZUMI HIROYUKI

JP15 patents
⚠️ This page may combine multiple inventors who share the name “KOIZUMI HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

5 patents
US5967996AOct 19, 1999

Apparatus and method for aiding transmission

CANON KK49 citations92
USD408916SApr 27, 1999

X-ray digital camera

CANON KK9 citations73
USD333144SFeb 9, 1993

Chamber for semiconductor fabricating machine

CANON KK7 citations73
USD320077SSep 17, 1991

Ophthalmometer or similar article

CANON KK11 citations73
USD418129SDec 28, 1999

Image display device

CANON KK1 citations51

HITACHI LTD

4 patents
US6587602B2Jul 1, 2003

Resolution conversion system and method

HITACHI LTD64 citations95
US6002810ADec 14, 1999

Resolution conversion system and method

HITACHI LTD68 citations95
US6389180B1May 14, 2002

Resolution conversion system and method

HITACHI LTD29 citations92
US6151425ANov 21, 2000

Resolution conversion system and method

HITACHI LTD19 citations92

SEIKOSHA KK

2 patents
US4920372AApr 24, 1990

Camera

SEIKOSHA KK5 citations62
US5175577ADec 29, 1992

Drive member sensing arrangement for an automatic focusing system of a camera

SEIKOSHA KK1 citations52

ALPINE ELECTRONICS INC

1 patent
US5593223AJan 14, 1997

Illumination device

ALPINE ELECTRONICS INC128 citations97

NIHON PLAST CO LTD

1 patent
US9421936B2Aug 23, 2016

Case member of airbag device, airbag device, method of manufacturing airbag device, and apparatus for manufacturing airbag device

NIHON PLAST CO LTD4 citations67

UNIV TOKYO

1 patent
US12473875B2Nov 18, 2025

Rocket engine

UNIV TOKYO0 citations46

PALE BLUE INC

1 patent
US12489184B2Dec 2, 2025

DC block and plasma generator using the same

PALE BLUE INC0 citations42