KS

Keiichi Sakashita

Mitsubishi Electric: 13 patents #2,044 of 25,717Top 8%
IC Ibiden Co.: 4 patents #206 of 730Top 30%
MC Mitsubishi Chemical: 2 patents #928 of 3,022Top 35%
NC Nitto Chemical Industry Co.: 1 patents #86 of 179Top 50%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
📍 Waki, JP: #12 of 327 inventorsTop 4%
Overall (All Time): #208,985 of 4,157,543Top 6%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
10087075 Partially cyclized polyacrylonitrile polymer, polyacrylonitrile flame-resistant polymer, polyacrylonitrile flame-resistant fiber, carbon fiber, and preparation methods thereof Hikaru Nakayama, Teruyuki Yamada, Tomoyuki Kotani 2018-10-02
9676888 Chain transfer agent and emulsion polymerization using the same Tetsuya Noda, Fuminori Nakaya, Yosuke MATSUNAGA, Taeko Oonuma, Yoshiko Irie 2017-06-13
9534065 Molding material and molding Fuminori Nakaya, Tetsuya Noda, Hiroyuki Nogami, Takafumi ASAI 2017-01-03
9452978 Chain transfer agent and emulsion polymerization using the same Tetsuya Noda, Fuminori Nakaya, Yosuke MATSUNAGA, Taeko Oonuma, Yoshiko Irie 2016-09-27
8912287 Method for producing polymer using monomer having piperidine skeleton, and molded body Fuminori Nakaya, Tetsuya Noda 2014-12-16
7512309 Polymer composition, plastic optical fiber, plastic optical fiber cable, and method for manufacturing plastic optical fiber Amane Aoyagi, Yoshihiro Tsukamoto, Keiji Iwasaka 2009-03-31
6251498 Soundproof heat shield member for exhaust manifold Koji Fukushima 2001-06-26
5992560 Muffler for internal combustion engine Hirotake Matsuoka, Keiji Yamada, Yoshio Nishikawa, Koji Fukushima 1999-11-30
5862590 Method of manufacturing catalytic converter for the purification of exhaust gas Yoshio Nishikawa 1999-01-26
5773240 Optically active .alpha.-substituted carboxylic acid derivatives and method for producing the same Eiji Ozaki, Toshitaka Uragaki, Tetsuya Ikemoto, Yoshimasa Kobayashi, Akihiro Sakimae 1998-06-30
5480580 Optically active compound having a .delta.-valerolactone ring and liquid crystal composition containing same Yoshitaka Kageyama, Tetsuya Ikemoto 1996-01-02
5455174 Process for the stereoselective esterification of ascorbic or erythorbic acids with long-chained enol esters Shiro Miyamoto, Akihiro Sakimae 1995-10-03
5232973 High-temperature gasket Keiji Yamada, Kazuhiko Shiratani, Takehisa Yaegashi 1993-08-03
5215897 Process for producing L-amino acids Tetsuji Nakamura, Ichiro Watanabe 1993-06-01
5164113 Optical active compound and liquid crystal composition Tetsuya Ikemoto, Seiji Hayashi, Yoshitaka Kageyama, Yoshihiro Sako, Kenji Mori +1 more 1992-11-17
5149462 Optically active compound Seiji Hayashi, Tetsuya Ikemoto, Osamu Yamamoto 1992-09-22
5124069 Optically active substance and liquid crystal composition comprising same Jun Nakauchi, Seiji Hayashi, Yoshitaka Kageyama, Yoshihiro Sako, Tetsuya Ikemoto 1992-06-23
5098599 Optically active compound and liquid crystal composition Seiji Hayashi, Jun Nakauchi, Yoshitaka Kageyama, Yoshihiko Sako 1992-03-24
5045228 Optically active compound having XI-valerolactone ring and liquid crystal composition comprising same Jun Nakauchi, Mioko Uematsu, Yoshitaka Kageyama, Kenji Mori 1991-09-03
4925591 Mesomorphic compound having .beta.-hydroxycarboxyl group as chiral source and liquid crystal composition Jun Nakauchi, Mioko Uematsu, Yoshitaka Kageyama, Seiji Hayashi, Kenji Mori 1990-05-15
4421855 Production of acrylamide using immobilized cells Ichiro Watanabe, Yasuo Ogawa 1983-12-20