TK

Tomoyoshi Koizumi

KU Kureha: 6 patents #34 of 354Top 10%
KK Kureha Kagaku Kogyo: 3 patents #178 of 607Top 30%
KC Kureha Chemical Industry Co.: 2 patents #45 of 215Top 25%
Overall (All Time): #458,485 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
9908974 Polyarylene sulfide production method and polyarylene sulfide production apparatus Masanori Kobayashi, Mitsuhiro Matsuzaki, Hirohito Kawama 2018-03-06
9339778 Column-type solid-liquid countercurrent contact apparatus, solid particle washing apparatus, and method Kimihiko Kikuchi 2016-05-17
9068047 Process for producing poly(arylene sulfide), and poly(arylene sulfide) comprising contacting a wash liquid with an alkaline compound Yoshihiro Ichinose, Masanori Kobayashi, Mitsuhiro Matsuzaki 2015-06-30
8981041 Production process of poly(arylene sulfide) and production apparatus thereof Takayuki Kimura, Mitsuhiro Matsuzaki 2015-03-17
8609790 Production process of granular poly(arylene sulfide) Kenji Suzuki, Yoshinori Shiojiri 2013-12-17
7025908 Optical filter and process for producing the same Naoki Hayashi, Hiroki Katono, Masuhiro Syouji, Katsuichi Machida 2006-04-11
6921609 Gradient cathode material for lithium rechargeable batteries Christina Lampe-Onnerud, Per Onnerud, Jie Shi, Sharon Dalton, Aisaku Nagai 2005-07-26
6855461 Cathode material for lithium rechargeable batteries Christina Lampe-Onnerud, Per Onnerud, Dmitri Novikov, Jie Shi, Richard V. Chamberlain, II +1 more 2005-02-15
6562992 Optical material Naoki Hayashi, Shigeru Mizusawa, Katsuichi Machida 2003-05-13
5342654 Surface roughening of resin molded articles for metallizing Yukio Ichikawa 1994-08-30
5326593 Surface roughening of resin molded articles for metallizing Yukio Ichikawa 1994-07-05