SK

Seiichi Kobayashi

MC Mitsui Chemicals: 40 patents #2 of 2,279Top 1%
EI Eisai: 26 patents #15 of 998Top 2%
ML Mitsubishi Pencil Company, Limited: 12 patents #15 of 302Top 5%
Fujitsu Limited: 6 patents #5,180 of 24,456Top 25%
MI Mitsui Toatsu Chemicals, Incorporated: 6 patents #227 of 1,543Top 15%
EC Eisai R&D Management Co.: 4 patents #183 of 817Top 25%
TC Toko Co.: 3 patents #34 of 196Top 20%
KT Kabushiki Kaisha Toshiba: 3 patents #8,011 of 21,451Top 40%
Nsk: 3 patents #483 of 1,559Top 35%
Nissan Motor Co.: 2 patents #3,090 of 8,689Top 40%
MK Mitsubishi Pencil Kabushikikaisha: 2 patents #10 of 34Top 30%
KC Kotobuki & Co.: 1 patents #47 of 77Top 65%
HC Hopnic Laboratory Co.: 1 patents #3 of 9Top 35%
NU National University Corporation Hokkaido University: 1 patents #278 of 825Top 35%
DA Daicel: 1 patents #265 of 523Top 55%
📍 Oomuta, MA: #1 of 1 inventorsTop 100%
Overall (All Time): #11,294 of 4,157,543Top 1%
113
Patents All Time

Issued Patents All Time

Showing 1–25 of 113 patents

Patent #TitleCo-InventorsDate
11931904 Abnormality determination apparatus, abnormality determination system, and abnormality determination method Toru Takagi 2024-03-19
11433539 Abnormality determination device and abnormality determination method Toru Takagi 2022-09-06
9505872 Polymerizable composition for optical material, optical material and method for producing optical material Akinori Ryu 2016-11-29
9290656 Polymerizable composition for polythiourethane optical material Hidetoshi Hayashi, Nobuo Kawato, Masanori Iwazumi, Mamoru Tanaka 2016-03-22
9086531 Plastic polarized lens, method for producing the same, and polarized film Akinori Ryu, Hiroyuki Kamio, Yoshiharu Kobayashi, Mitsuru Sakai, Yoshimitsu Aiiso 2015-07-21
9000119 Polymerizable composition for optical material, optical material, and method for producing optical material Akinori Ryu 2015-04-07
8772441 Polyurethanes polymerizable composition and method for producing optical resin of the same Shigetoshi Kuma, Koichi Tokunaga, Hiroyuki Morijiri 2014-07-08
8729240 Monoclonal antibody against oxidized low-density lipoprotein Hitoshi Chiba, Hiroyuki Furukawa 2014-05-20
8697889 Metal compound, polymerizable composition containing the same, resin, method for producing the resin, and use of the resin Masakazu Murakami, Mamoru Takashina, Tomoyuki Ando 2014-04-15
8691814 Deazapurines and uses thereof Jane Daun, Heather A. Davis, Bruce DeCosta, Fabian Gusovsky, Ieharu Hishinuma +16 more 2014-04-08
8680295 Process for producing bis(thietanylthio)dithiastannolane Masakazu Murakami, Tomoyuki Ando 2014-03-25
8637633 Polymerizable composition, and resin and optical part using the same Mitsuo Nakamura, Hiroshi Naruse, Atsuo Otsuji, Shinichi Usugi, Masao Imai +3 more 2014-01-28
8586694 Polymerization catalyst for polythiourethane-based optical material, polymerizable composition containing the catalyst, optical material obtained from the composition, and method for preparing the optical material Masanori Iwazumi, Nobuo Kawato, Mamoru Tanaka, Hidetoshi Hayashi 2013-11-19
8586695 Polymerization catalyst for polythiourethane optical material, polymerizable composition containing the same, polythiourethane resin obtained from the composition, and process for producing the resin Nobuo Kawato, Masanori Iwazumi, Hidetoshi Hayashi 2013-11-19
8485004 Apparatus and method for forming leather groove Yukihiro Murakami 2013-07-16
8434866 Polymerizable composition for optical material, optical material, and method for preparing the optical material Hidetoshi Hayashi, Masaru Kawaguchi, Akinori Ryu, Hironori Kuboi, Mamoru Takashina +1 more 2013-05-07
8426551 Metal thietane compound, polymerizable composition containing the compound, resin and use of the resin Masakazu Murakami, Tomoyuki Ando, Hironori Kuboi, Hidetoshi Hayashi, Osamu Kohgo 2013-04-23
8420718 Composition, polymerizable composition, resin, optical component, and method for producing the composition Tomoyuki Ando, Masakazu Murakami, Mamoru Takashina 2013-04-16
8394891 Additive for polymerizable composition, polymerizable composition containing the same and use of the polymerizable composition Tomoyuki Ando 2013-03-12
8362280 Thietane compound, polymerizable composition containing the same, resin, method for producing the resin, and use of the polymerizable composition and the resin Hironori Kuboi, Hidetoshi Hayashi, Osamu Kohgo 2013-01-29
8349996 Compound, polymerizable composition, resin, and use of the composition and the resin Masakazu Murakami, Tomoyuki Ando 2013-01-08
8293864 Metal thietane compound, polymerizable composition containing the compound, resin and use of the resin Masakazu Murakami, Tomoyuki Ando, Hironori Kuboi, Hidetoshi Hayashi, Osamu Kohgo 2012-10-23
8187712 Plastic polarized lens and method of producing the same Akinori Ryu, Yoshimitsu Aiiso 2012-05-29
8183407 Process for production of isocyanate, isocyanate produced by the process, and use of the isocyanate Chitoshi Shimakawa, Hiroyuki Morijiri, Hidetoshi Hayashi, Norihiko Fukatsu, Homare Yumoto +2 more 2012-05-22
8183404 Process for producing dicyanonorbornane and zerovalent nickel complex catalyst Norihiko Fukatsu, Hiroyuki Morijiri, Chitoshi Shimakawa, Koichi Tokunaga 2012-05-22