P

Inventor

ISHIDA KENYA

JP48 patents
⚠️ This page may combine multiple inventors who share the name “ISHIDA KENYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TAKASAGO PERFUMERY CO LTD

29 patents
US6440400B1Aug 27, 2002

Trimethylcylohexane derivatives and melanin-formation inhibitors and perfumeholding agents with the use of the same

TAKASAGO PERFUMERY CO LTD20 citations92
US6355627B1Mar 12, 2002

Branched cyclodextrin clathrate compound of hinokitiols and composition containing the same

TAKASAGO PERFUMERY CO LTD37 citations92
US7196052B2Mar 27, 2007

Fragrance composition

TAKASAGO PERFUMERY CO LTD21 citations88
US5200429AApr 6, 1993

Acne vulgaris treating

TAKASAGO PERFUMERY CO LTD24 citations88
US7538081B2May 26, 2009

Method and agent for enhancing diffusivity and long-lasting property of fragrance

TAKASAGO PERFUMERY CO LTD19 citations83
US8377458B2Feb 19, 2013

Cooling sensation agent composition, sensory stimulation agent composition and use of the same

TAKASAGO PERFUMERY CO LTD10 citations82
US6570010B2May 27, 2003

Inclusion compounds of vanillyl alcohol derivative in cyclodextrin and compositions containing the same

TAKASAGO PERFUMERY CO LTD14 citations82
US5380763AJan 10, 1995

Topical composition for treating acne vulgaris

TAKASAGO PERFUMERY CO LTD19 citations82
US7923585B2Apr 12, 2011

Menthol derivative and cooling agent composition comprising the same

TAKASAGO PERFUMERY CO LTD9 citations81
US5786386AJul 28, 1998

Antibacterial and fungicidal agent

TAKASAGO PERFUMERY CO LTD7 citations74
US6379659B1Apr 30, 2002

Keratin fiber strengthening agent and method for strengthening keratin fiber

TAKASAGO PERFUMERY CO LTD7 citations72
US5344850ASep 6, 1994

Topical composition for preventing or treating acne vulgaris

TAKASAGO PERFUMERY CO LTD15 citations72
US5141921AAug 25, 1992

Perfume composition

TAKASAGO PERFUMERY CO LTD17 citations72
US7576125B2Aug 18, 2009

Melanogenesis inhibitor and skin preparation containing the same

TAKASAGO PERFUMERY CO LTD2 citations61
US5998668ADec 7, 1999

Optically active compound and process for producing the same

TAKASAGO PERFUMERY CO LTD4 citations61
US5831125ANov 3, 1998

Method of making primary amide derivative

TAKASAGO PERFUMERY CO LTD6 citations61
US9233916B2Jan 12, 2016

Method for producing nitrile

TAKASAGO PERFUMERY CO LTD0 citations52
US8053592B2Nov 8, 2011

Method for producing optically active α-ionone

TAKASAGO PERFUMERY CO LTD0 citations52
US7902404B2Mar 8, 2011

Method for producing optically active α-ionone

TAKASAGO PERFUMERY CO LTD0 citations52
US5925792AJul 20, 1999

Process for preparing 2-amino-1,3-alkanediol or derivative thereof, process for preparing optically active dihydrosphingosine derivative, and intermediates for optically active dihydrosphingosine derivative

TAKASAGO PERFUMERY CO LTD0 citations52
US8986660B2Mar 24, 2015

Process for producing (3S)-1-menthyl 3-hydroxybutyrate and sensate composition

TAKASAGO PERFUMERY CO LTD0 citations51
US9486395B2Nov 8, 2016

Synthetic spilanthol and use thereof

TAKASAGO PERFUMERY CO LTD0 citations50
US7888513B2Feb 15, 2011

Condensation reaction by metal catalyst

TAKASAGO PERFUMERY CO LTD0 citations48
US12533310B2Jan 27, 2026

Fragrance or flavor composition

TAKASAGO PERFUMERY CO LTD0 citations44
US9079826B2Jul 14, 2015

Method for producing high-purity ceramide

TAKASAGO PERFUMERY CO LTD0 citations42
US7964637B2Jun 21, 2011

Process for producing optically active theaspirane

TAKASAGO PERFUMERY CO LTD0 citations42
US7728177B2Jun 1, 2010

Optically active 3-methylcyclopentadecanone and method for producing intermediate thereof

TAKASAGO PERFUMERY CO LTD0 citations42
US6528074B2Mar 4, 2003

Lipid composition containing a liquid crystal structure

TAKASAGO PERFUMERY CO LTD0 citations40
US9975831B2May 22, 2018

Method for producing ether compound

TAKASAGO PERFUMERY CO LTD0 citations39

ISHIDA KENYA

5 patents

HOJO KAZUMA

3 patents

MENNEN CO

2 patents

TANAKA SHIGERU

2 patents

INABA TERUHIKO

2 patents

AIDA TAKASHI

1 patent

LOMBARDO LOUIS

1 patent

YAGI KENJI

1 patent

SHIROYAMA KENICHIRO

1 patent

MANDOM CORP

1 patent