Inventor

MARUYAMA KEI-ICHI

JP8 patents

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

NOF CORP

4 patents

US6455639B1Sep 24, 2002

Oxirane derivative and process for the preparation thereof

NOF CORP70 citations94

US5840973ANov 24, 1998

Process for producing a polyoxyalkylenecarboxylic acid

NOF CORP18 citations79

US5872191AFeb 16, 1999

Process for producing a polyoxyalkylene derivatives substituted with succinimidyl group

NOF CORP12 citations71

US5767284AJun 16, 1998

Process for producing a polyoxyalkylene derivative substituted with succinimidyl group

NOF CORP10 citations71

DAIKIN IND LTD

1 patent

US11041038B2Jun 22, 2021

Water repellent composition

DAIKIN IND LTD0 citations59

WAKITA KAZUAKI

1 patent

US8518994B2Aug 27, 2013

Arginine derivative and cosmetic containing the same

WAKITA KAZUAKI2 citations57

OHMORI TAKASHI

1 patent

US8232321B2Jul 31, 2012

Alkylene oxide derivative and skin external preparation containing the same

OHMORI TAKASHI1 citations44

MARUYAMA KEI-ICHI

1 patent

US9193654B2Nov 24, 2015

Cosmetic bases and cosmetics containing the same

MARUYAMA KEI-ICHI1 citations39