P

Inventor

FUJII YASUFUMI

JP10 patents
⚠️ This page may combine multiple inventors who share the name “FUJII YASUFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KUREHA CHEMICAL IND CO LTD

7 patents
US4756973AJul 12, 1988

Photochromic lens

KUREHA CHEMICAL IND CO LTD251 citations98
US5466755ANov 14, 1995

Optical filter

KUREHA CHEMICAL IND CO LTD34 citations92
US4644025AFeb 17, 1987

Lens materials of high refractive indexes

KUREHA CHEMICAL IND CO LTD19 citations82
US5567778AOct 22, 1996

Process for producing an optical filter

KUREHA CHEMICAL IND CO LTD7 citations73
US4826284AMay 2, 1989

Resin-made heat-resistant optical fiber

KUREHA CHEMICAL IND CO LTD14 citations73
US4704006ANov 3, 1987

Halogen-containing resin lens material

KUREHA CHEMICAL IND CO LTD13 citations73
US4578445AMar 25, 1986

Halogen-containing lens material

KUREHA CHEMICAL IND CO LTD18 citations73

ASMO CO LTD

1 patent
US10502282B2Dec 10, 2019

Drive device

ASMO CO LTD2 citations71

HITACHI LTD

1 patent
US5109508AApr 28, 1992

Data base system including memorandum information and method for managing memorandum information

HITACHI LTD11 citations70

DENSO CORP

1 patent
US12573905B2Mar 10, 2026

Stator, rotating electrical machine, production method of stator, and production method of rotating electrical machine

DENSO CORP0 citations48