P

Inventor

KOYAMA YOSHINARI

JP49 patents
⚠️ This page may combine multiple inventors who share the name “KOYAMA YOSHINARI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NISSAN CHEMICAL IND LTD

29 patents
US6296943B1Oct 2, 2001

Method for producing composite sol, coating composition, and optical element

NISSAN CHEMICAL IND LTD64 citations96
US5906679AMay 25, 1999

Coating compositions employing zinc antimonate anhydride particles

NISSAN CHEMICAL IND LTD26 citations93
US6626987B1Sep 30, 2003

Modified metal oxide sol, coating composition and optical element

NISSAN CHEMICAL IND LTD39 citations92
US6355694B1Mar 12, 2002

Modified stannic oxide—zirconium oxide complex sol and preparation method thereof

NISSAN CHEMICAL IND LTD23 citations92
US6291535B1Sep 18, 2001

Silica-magnesium fluoride hydrate composite sols and process for their preparation

NISSAN CHEMICAL IND LTD48 citations92
US6040372AMar 21, 2000

Hydrated zinc stannate sols, coating compositions and optical elements

NISSAN CHEMICAL IND LTD16 citations92
US7553474B2Jun 30, 2009

Method for producing metal oxide sol

NISSAN CHEMICAL IND LTD10 citations84
US7208229B2Apr 24, 2007

Modified metal oxide sol, coating compositions and optical element

NISSAN CHEMICAL IND LTD11 citations84
US7563827B2Jul 21, 2009

Modified stannic oxide sol, stannic oxide-zirconium oxide composite sol, coating composition and optical element

NISSAN CHEMICAL IND LTD11 citations82
US5891362AApr 6, 1999

Hydrated zinc stannate sols, coating compositions and optical elements

NISSAN CHEMICAL IND LTD15 citations82
US6001164ADec 14, 1999

Hydrated zinc stannate sols, coating compositions and optical elements

NISSAN CHEMICAL IND LTD10 citations74
US5891565AApr 6, 1999

Sol and fine powder of sodium magnesium fluoride and processes for their production

NISSAN CHEMICAL IND LTD10 citations74
US5766512AJun 16, 1998

Zinc antimonate anhydride and method for producing same

NISSAN CHEMICAL IND LTD7 citations74
US5707552AJan 13, 1998

Zinc antimonate anhydride and method for producing same

NISSAN CHEMICAL IND LTD10 citations74
US5667725ASep 16, 1997

Sol and fine powder of sodium magnesium fluoride and processes for their production

NISSAN CHEMICAL IND LTD6 citations74
US5552083ASep 3, 1996

Sol and fine powder of sodium magnesium fluoride and processes for their production

NISSAN CHEMICAL IND LTD12 citations74
US7556682B2Jul 7, 2009

Zirconium oxide-tin oxide composite sol, coating composition and optical member

NISSAN CHEMICAL IND LTD6 citations72
US8034846B2Oct 11, 2011

Method for producing modified zirconium oxide-tin oxide composite sol

NISSAN CHEMICAL IND LTD7 citations71
US6646015B1Nov 11, 2003

Process for producing diantimony pentoxide sol

NISSAN CHEMICAL IND LTD2 citations62
US7737187B2Jun 15, 2010

Process for producing inorganic oxide organosol

NISSAN CHEMICAL IND LTD2 citations61
US7919016B2Apr 5, 2011

Conductive tin oxide sol and process for producing same

NISSAN CHEMICAL IND LTD1 citations52
US7291652B2Nov 6, 2007

Diantimony pentoxide sol and method for its preparation

NISSAN CHEMICAL IND LTD0 citations52
US9534144B2Jan 3, 2017

Film-forming composition

NISSAN CHEMICAL IND LTD1 citations51
US12286562B2Apr 29, 2025

Metal oxide particles containing titanium oxide coated with silicon dioxide-stannic oxide complex oxide

NISSAN CHEMICAL IND LTD0 citations49
US11634589B2Apr 25, 2023

Coating composition and optical member

NISSAN CHEMICAL IND LTD0 citations49
US10669426B2Jun 2, 2020

Inorganic oxide microparticles having amphiphilic organic silane compound bonded thereto, organic solvent dispersion thereof, and composition for film formation

NISSAN CHEMICAL IND LTD0 citations48
US9023147B2May 5, 2015

Method for producing rutile type titanium oxide sol

NISSAN CHEMICAL IND LTD0 citations48
US7476695B2Jan 13, 2009

Modified stannic oxide-zirconium oxide complex sol and method for preparing same

NISSAN CHEMICAL IND LTD0 citations40
US10676643B2Jun 9, 2020

Coating film-forming composition and process for producing the same

NISSAN CHEMICAL IND LTD0 citations36

IDEMITSU PETROCHEMICAL CO

11 patents

KOYAMA YOSHINARI

3 patents

NIPPON KAYAKU KK

1 patent

PETROLEUM ENERGY CT A JURIDICA

1 patent

MITSUBISHI ELECTRIC CORP

1 patent

HOYA CORP

1 patent

KATO TAKU

1 patent

MURAKAMI NATSUMI

1 patent