P

Inventor

MOMODA JUNJI

JP65 patents
⚠️ This page may combine multiple inventors who share the name “MOMODA JUNJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOKUYAMA CORP

42 patents
US5621017AApr 15, 1997

Photochromic composition and method producing photochromic cured product

TOKUYAMA CORP172 citations98
US6340765B1Jan 22, 2002

Chromene compound

TOKUYAMA CORP30 citations92
US6141135AOct 31, 2000

Photochromic composition

TOKUYAMA CORP19 citations92
US5808100ASep 15, 1998

Chromene compounds and photochromic materials

TOKUYAMA CORP34 citations92
US6723859B2Apr 20, 2004

Chromene compound

TOKUYAMA CORP45 citations91
US6469076B1Oct 22, 2002

Chromene compounds

TOKUYAMA CORP23 citations91
US7521004B2Apr 21, 2009

Chromene compound

TOKUYAMA CORP22 citations90
US7763693B2Jul 27, 2010

Curable composition

TOKUYAMA CORP10 citations84
US6194511B1Feb 27, 2001

Photochromic curable composition

TOKUYAMA CORP18 citations84
US6802993B2Oct 12, 2004

Curable composition comprising a photochromic compound

TOKUYAMA CORP19 citations83
US6362248B1Mar 26, 2002

Photochromic polymerizable composition

TOKUYAMA CORP17 citations83
US6197225B1Mar 6, 2001

Chromene compound

TOKUYAMA CORP16 citations83
US6864299B1Mar 8, 2005

Process for producing cured photochromic

TOKUYAMA CORP18 citations82
US7442734B2Oct 28, 2008

Coating composition and optical article

TOKUYAMA CORP8 citations74
US7169941B2Jan 30, 2007

Photochromic composition

TOKUYAMA CORP8 citations74
US6646104B1Nov 11, 2003

Process for production of sulfur compounds

TOKUYAMA CORP9 citations74
US10526533B2Jan 7, 2020

Process for producing a photochromic cured body

TOKUYAMA CORP5 citations73
US10125309B2Nov 13, 2018

Photochromic composition

TOKUYAMA CORP2 citations73
US9890324B2Feb 13, 2018

Photochromic curable composition, cured product thereof and laminate including the cured product

TOKUYAMA CORP2 citations73
US11066523B2Jul 20, 2021

Photochromic polyrotaxane compound and curable composition comprising the photochromic polyrotaxane compound

TOKUYAMA CORP3 citations72
US6698883B2Mar 2, 2004

Curable composition and photochromic cured article

TOKUYAMA CORP9 citations71
US10920007B2Feb 16, 2021

Urethane resin comprising a polyrotaxane and polishing pad

TOKUYAMA CORP3 citations69
US7441893B2Oct 28, 2008

Layered product and method of producing the same

TOKUYAMA CORP6 citations63
US12287450B2Apr 29, 2025

Functional laminate and functional lens comprising the functional laminate

TOKUYAMA CORP0 citations62
US11988808B2May 21, 2024

Functional laminate and functional lens comprising the functional laminate

TOKUYAMA CORP0 citations62
US11767467B2Sep 26, 2023

Photochromic compound and curable composition containing said photochromic compound

TOKUYAMA CORP0 citations62
US11578174B2Feb 14, 2023

Polyrotaxane, production method therefor, and optical composition containing said polyrotaxane

TOKUYAMA CORP0 citations62
US10494488B2Dec 3, 2019

Polyrotaxane, production method therefor, and optical composition containing said polyrotaxane

TOKUYAMA CORP1 citations62
US8012596B2Sep 6, 2011

Photochromic lens substrate

TOKUYAMA CORP5 citations62
US12428517B2Sep 30, 2025

Moisture curable polyurethane composition and laminate

TOKUYAMA CORP0 citations60
US11807769B2Nov 7, 2023

Primer composition for optical articles, and laminate

TOKUYAMA CORP0 citations60
US12077623B2Sep 3, 2024

Curable composition for optical materials, and optical material

TOKUYAMA CORP0 citations59
US12054568B2Aug 6, 2024

Optical material composition and optical material

TOKUYAMA CORP0 citations59
US11976149B2May 7, 2024

Curable composition for optical materials, and optical material

TOKUYAMA CORP0 citations59
US7951445B2May 31, 2011

Photochromic optical article and method of producing the same

TOKUYAMA CORP3 citations59
US6719926B2Apr 13, 2004

Chromene compound

TOKUYAMA CORP2 citations59
US6525194B1Feb 25, 2003

Chromene compound

TOKUYAMA CORP2 citations59
US11186600B2Nov 30, 2021

Bismuth compound, curable composition and cured product

TOKUYAMA CORP0 citations53
US12552745B2Feb 17, 2026

Compound for optical materials, curable composition, cured body, and optical article

TOKUYAMA CORP0 citations52
US12428390B2Sep 30, 2025

Chromene compound and photochromic optical article

TOKUYAMA CORP0 citations52
US12297388B2May 13, 2025

Photochromic hydroxyurethane compound

TOKUYAMA CORP0 citations52
US8012588B2Sep 6, 2011

Layered product, optical part, processes for producing these, and coating fluid

TOKUYAMA CORP1 citations52

MORI KATSUHIRO

2 patents

TAKENAKA JUNJI

2 patents

NEC CORP

1 patent

TAKAHASHI TOSHIAKI

1 patent

TANAKA NOBUYUKI

1 patent

MOMODA JUNJI

1 patent

Showing the top 50 of 65 patents by PatentIndex Score.