TT

Toshihiko Takasaki

HC Hitachi Chemical Company: 17 patents #55 of 1,946Top 3%
📍 Tsukuba, JP: #195 of 2,818 inventorsTop 7%
Overall (All Time): #277,503 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
8787722 Optical waveguide Masatoshi Yamaguchi, Toshihiro Kuroda, Tatsuya Makino, Masami Ochiai, Atsushi Takahashi 2014-07-22
8787723 Resin composition for forming optical waveguide, resin film for forming optical waveguide, and optical waveguide Tatsuya Makino, Masami Ochiai, Atsushi Takahashi 2014-07-22
8604096 Photosensitive resin composition, photosensitive resin varnish, photosensitive resin film, and photosensitive resin cured product Kouji Suzumura, Ikue Mitani, Ikuo Mukai, Masami Ochiai 2013-12-10
8592546 Silicon-containing alicyclic polyimide resin, polyamic acid resin, and manufacturing method for same Tooru Kikuchi, Katsuyuki Masuda 2013-11-26
8538230 Resin composition for production of clad layer, resin film for production of clad layer utilizing the resin composition, and optical waveguide and optical module each utilizing the resin composition or the resin film Masami Ochiai, Tatsuya Makino, Atsushi Takahashi 2013-09-17
8524921 Liquid tetracarboxylic dianhydrides and process for the preparation thereof Tooru Kikuchi, Hayato Kotani, Katsuyuki Masuda 2013-09-03
8463099 Resin composition for optical material, resin film for optical material, and optical waveguide using them Tatsuya Makino, Atsushi Takahashi, Masatoshi Yamaguchi, Tomoaki Shibata, Masami Ochiai 2013-06-11
8383695 Phenoxy resin for optical material, resin composition for optical material, resin film for optical material and optical waveguide using those Tatsuya Makino, Atsushi Takahashi, Tomoaki Shibata, Masami Ochiai 2013-02-26
8351752 Flexible optical waveguide, method for manufacturing such flexible optical waveguide, and optical module Tomoaki Shibata, Atsushi Takahashi, Hiroshi Masuda, Tatsuya Makino, Masami Ochiai 2013-01-08
8326110 Flexible optical waveguide having a cladding layer composed of a resin for forming a cladding layer and a base material film Tomoaki Shibata, Tatsuya Makino, Masami Ochiai, Atsushi Takahashi 2012-12-04
8036511 Resin composition for optical material, resin film for optical material, and optical waveguide Tatsuya Makino, Atsushi Takahashi 2011-10-11
7853113 Resin composition for optical material, resin film for optical material, and optical waveguide Tatsuya Makino, Atsushi Takahashi 2010-12-14
7751678 Resin composition for optical material, resin film for optical material and optical waveguide using same Tomoaki Shibata, Tatsuya Makino, Masami Ochiai, Atsushi Takahashi 2010-07-06
7747129 Resin composition for optical materials, resin film for optical material, and optical waveguide Tatsuya Makino, Atsushi Takahashi 2010-06-29
7660503 Flexible optical waveguide and optical module Tatsuya Makino, Atsushi Takahashi, Hiroshi Masuda, Tomoaki Shibata, Masami Ochiai 2010-02-09
7504471 Sulfur-containing phenolic resin, process for preparing the same, phenol derivatives having thioether structure or disulfide structure, process for preparing the same and epoxy resin composition and adhesive Haruaki Sue, Takashi Kumaki, Hideyasu Tsuiki, Hiroshi Matsutani, Iwao Fukuchi 2009-03-17
7491789 Disulfide-containing phenolic resin as curing agent for epoxy resin Haruaki Sue, Takashi Kumaki, Hideyasu Tsuiki, Hiroshi Matsutani, Iwao Fukuchi 2009-02-17