P

Inventor

KOYAMA TAKEO

JP12 patents
⚠️ This page may combine multiple inventors who share the name “KOYAMA TAKEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOA NENRYO KOGYO KK

3 patents
US4691070ASep 1, 1987

Catalyst, its method of preparation and process for its use in the hydrogenation of diolefins

TOA NENRYO KOGYO KK21 citations79
US4775651AOct 4, 1988

Process for the production of silanes

TOA NENRYO KOGYO KK5 citations73
US4725420AFeb 16, 1988

Process for the production of silanes

TOA NENRYO KOGYO KK7 citations73

DAIICHI SEIYAKU CO

3 patents
US6337405B1Jan 8, 2002

Process for preparing 2-phenyl-3-naphthylpropionic acid derivatives

DAIICHI SEIYAKU CO1 citations62
US6252088B1Jun 26, 2001

Process for preparing 2-phenyl-3-naphthylpropionic acid derivatives

DAIICHI SEIYAKU CO1 citations62
US6515142B2Feb 4, 2003

Process for preparing 2-phenyl-3-naphthylpropionic acid derivatives

DAIICHI SEIYAKU CO0 citations52

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

2 patents
US5331354AJul 19, 1994

Power supply apparatus for television receiver set and television receiver set including the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD55 citations95
US5581453ADec 3, 1996

Power supply with switched starting circuit

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD50 citations86

DAIICHI SANKYO CO LTD

1 patent
US8357808B2Jan 22, 2013

Process for producing diamine derivative

DAIICHI SANKYO CO LTD9 citations83

NSK LTD

1 patent
US5236264AAug 17, 1993

Linear bearing

NSK LTD19 citations77

ARUZE CORP

1 patent
US6325720B1Dec 4, 2001

Game machine

ARUZE CORP10 citations68

KOYAMA TAKEO

1 patent
US8404847B2Mar 26, 2013

Method for producing diamine derivative

KOYAMA TAKEO2 citations55