P

Inventor

KOYAMA KATSUYA

JP7 patents
⚠️ This page may combine multiple inventors who share the name “KOYAMA KATSUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OMRON TATEISI ELECTRONICS CO

3 patents
US7227090B2Jun 5, 2007

Switching apparatus

OMRON TATEISI ELECTRONICS CO22 citations90
US7294800B2Nov 13, 2007

Switching device

OMRON TATEISI ELECTRONICS CO15 citations82
US7214894B1May 8, 2007

Switching apparatus

OMRON TATEISI ELECTRONICS CO18 citations82

NAT STARCH CHEM INVEST

2 patents
US6884853B1Apr 26, 2005

Cosmetic resin composition

NAT STARCH CHEM INVEST17 citations81
US6737069B1May 18, 2004

Cosmetic compositions containing amphoteric polyurethanes

NAT STARCH CHEM INVEST8 citations70

NAT STARTCH AND CHEMICAL INVES

1 patent
US6692729B1Feb 17, 2004

Cosmetic resin composition and cosmetic using the same

NAT STARTCH AND CHEMICAL INVES15 citations77

KOYAMA KATSUYA

1 patent
US8629361B2Jan 14, 2014

Switch device

KOYAMA KATSUYA3 citations54