Inventor

KISHIMA YOSHIO

JP7 patents

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

DAINIPPON PLASTICS

2 patents

US4817447AApr 4, 1989

Weather resistance tester

DAINIPPON PLASTICS70 citations92

US4668588AMay 26, 1987

Polycarbonate molded articles having excellent weather resistance and abrasion resistance and a process for the preparation thereof

DAINIPPON PLASTICS38 citations90

MITSUBISHI ELECTRIC CORP

1 patent

US5333494AAug 2, 1994

Material strength measuring apparatus

MITSUBISHI ELECTRIC CORP23 citations90

IWASAKI ELECTRIC CO LTD

1 patent

US4931655AJun 5, 1990

Apparatus for accelerated weather-testing of a sample using a metal halide lamp

IWASAKI ELECTRIC CO LTD28 citations88

BUILDING RESEARCH INST MINISTR

1 patent

US5476636ADec 19, 1995

Apparatus for performing weather resistance test

BUILDING RESEARCH INST MINISTR40 citations86

HOYA CORP

1 patent

US5249076ASep 28, 1993

Optical filter structure

HOYA CORP39 citations86

DAIPLA WINTES CO LTD

1 patent

US6792812B2Sep 21, 2004

Method and apparatus for layered structure breaking strength estimation

DAIPLA WINTES CO LTD2 citations50