YK

Yoshinari Koyama

NI Nissan Chemical Industries: 35 patents #7 of 1,150Top 1%
IC Idemitsu Petrochemical Co.: 11 patents #13 of 578Top 3%
HO Hoya: 1 patents #757 of 1,290Top 60%
PC Petroleum Energy Center: 1 patents #66 of 180Top 40%
NK Nippon Kayaku: 1 patents #556 of 1,103Top 55%
IC Idemitsu Kosan Co.: 1 patents #699 of 1,237Top 60%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
Overall (All Time): #55,560 of 4,157,543Top 2%
49
Patents All Time

Issued Patents All Time

Showing 1–25 of 49 patents

Patent #TitleCo-InventorsDate
12286562 Metal oxide particles containing titanium oxide coated with silicon dioxide-stannic oxide complex oxide Tomoki Furukawa, Motoko Asada 2025-04-29
11634589 Coating composition and optical member Tomoki Furukawa, Motoko Asada 2023-04-25
10676643 Coating film-forming composition and process for producing the same Taku Kato, Masayoshi Suzuki, Natsumi Murakami, Daiki Iijima, Tomoki Furukawa 2020-06-09
10669426 Inorganic oxide microparticles having amphiphilic organic silane compound bonded thereto, organic solvent dispersion thereof, and composition for film formation Natsumi Murakami, Tomoki Furukawa 2020-06-02
9534144 Film-forming composition Taku Kato, Natsumi Murakami, Naoya Nishimura, Masaaki Ozawa 2017-01-03
9243165 Film-forming composition Taku Kato, Natsumi Murakami, Naoya Nishimura, Masaaki Ozawa 2016-01-26
9150421 Silane surface-treated metal oxide fine particles and production method for same Motoko Asada, Tomoki Furukawa, Natsumi Tsuihiji 2015-10-06
9023147 Method for producing rutile type titanium oxide sol Natsumi Murakami, Ai Miyamoto 2015-05-05
8747542 Method for producing rutile titanium oxide sol Natsumi Murakami, Ai Miyamoto 2014-06-10
8697757 Hydrophobic organic solvent-dispersed sol of anhydrous zinc antimonate colloidal particles and method for producing the same Tomonari Shinji, Osamu Fujimoto 2014-04-15
8193253 Organosol of fluoride colloid particle and method for producing the same Motoko Asada, Osamu Fujimoto 2012-06-05
8034846 Method for producing modified zirconium oxide-tin oxide composite sol Motoko Asada 2011-10-11
7919016 Conductive tin oxide sol and process for producing same Osamu Fujimoto, Osamu Tanegashima 2011-04-05
7737187 Process for producing inorganic oxide organosol Keiko Yoshitake, Naohiko Suemura 2010-06-15
7563827 Modified stannic oxide sol, stannic oxide-zirconium oxide composite sol, coating composition and optical element Motoko Asada 2009-07-21
7556682 Zirconium oxide-tin oxide composite sol, coating composition and optical member Motoko Asada 2009-07-07
7553474 Method for producing metal oxide sol Yutaka Ohmori, Hirokazu Kato, Kenji Yamaguchi 2009-06-30
7476695 Modified stannic oxide-zirconium oxide complex sol and method for preparing same Motoko Asada 2009-01-13
7291652 Diantimony pentoxide sol and method for its preparation Keitaro Suzuki 2007-11-06
7208229 Modified metal oxide sol, coating compositions and optical element Keitaro Suzuki, Motoko Iijima 2007-04-24
7018574 Process for removing volatile components in polyarylene sulfide 2006-03-28
6750319 Process for producing polyarylene sulfide and apparatus used therein 2004-06-15
6713170 Hard coating material and film comprising the same Shoichi Kaneko, Takeshi Takahashi, Yoshitane Watanabe, Keitaro Suzuki, Osamu Tanegashima 2004-03-30
6646015 Process for producing diantimony pentoxide sol Keitaro Suzuki, Motoko Asada 2003-11-11
6626987 Modified metal oxide sol, coating composition and optical element Keitaro Suzuki, Motoko Iijima 2003-09-30