Inventor

KUBOYA HIROSHI

JP7 patents

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

FUJI PHOTO OPTICAL CO LTD

2 patents

US6346075B1Feb 12, 2002

Air and water supply valve structure in endoscope

FUJI PHOTO OPTICAL CO LTD132 citations96

US6695775B2Feb 24, 2004

Lens assembly for endoscopic lens system

FUJI PHOTO OPTICAL CO LTD37 citations88

ASAHI OPTICAL CO LTD

2 patents

US5733710AMar 31, 1998

Method for manufacturing a master die for a diffusion plate and diffusion plate manufactured by said method

ASAHI OPTICAL CO LTD18 citations83

US6221561B1Apr 24, 2001

Diffusion plate and method for manufacturing master die thereof

ASAHI OPTICAL CO LTD4 citations61

FUJIFILM CORP

2 patents

US10401720B2Sep 3, 2019

Projection lens unit of projector and projector capable of suppressing image deterioration

FUJIFILM CORP3 citations71

US10591696B2Mar 17, 2020

Projection lens unit of projector and projector

FUJIFILM CORP0 citations50

ASAHI KOGAKU KOGYO KAISHA

1 patent

US5965327AOct 12, 1999

Method for manufacturing a master die for a diffusion plate and diffusion manufactured by said method

ASAHI KOGAKU KOGYO KAISHA12 citations72