Inventor

KOYAMA MASATOSHI

JP8 patents

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

AGENCY IND SCIENCE TECHN

2 patents

US5206087AApr 27, 1993

Biodecomposable or biodisintegrable moldable material

AGENCY IND SCIENCE TECHN85 citations95

US5256711AOct 26, 1993

Starch-containing biodegradable plastic and method of producing same

AGENCY IND SCIENCE TECHN99 citations93

SEDI INC

2 patents

US9299770B2Mar 29, 2016

Method for manufacturing semiconductor device

SEDI INC2 citations60

US9040426B2May 26, 2015

Method for manufacturing semiconductor device

SEDI INC1 citations50

KEYENCE CO LTD

1 patent

US6774352B2Aug 10, 2004

Multi-beam photoelectric sensor and its mount

KEYENCE CO LTD22 citations90

SHARP KK

1 patent

US4475114AOct 2, 1984

Thermal head recording device

SHARP KK17 citations73

KOYAMA MASATOSHI

1 patent

US8896025B2Nov 25, 2014

Method for fabricating semiconductor device

KOYAMA MASATOSHI3 citations55

SUMITOMO ELECTRIC INDUSTRIES

1 patent

US9799508B2Oct 24, 2017

Process of forming nitride semiconductor device

SUMITOMO ELECTRIC INDUSTRIES0 citations50