KI

Kenichi Itoh

TO Tosoh: 11 patents #36 of 1,042Top 4%
SC Shin-Etsu Chemical Co.: 6 patents #590 of 2,176Top 30%
Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%
SO Sony: 3 patents #10,744 of 25,231Top 45%
NE Nec Electronics: 1 patents #715 of 1,789Top 40%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #169,170 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12392025 Method for producing chromium sintered body, method for producing sputtering target, and method for producing substrate with chromium film Masami MESUDA, Daiki Shono, Koichi Hanawa 2025-08-19
12385126 Sputtering target, method for producing same, and method for producing sputtering film using sputtering target Daiki Shono, Taiga Kondo, Masami MESUDA, Koichi Hanawa 2025-08-12
11967493 Cr—Si sintered body Hiroyuki Hara, Hideto Kuramochi 2024-04-23
10669208 Oxide sintered body, method for producing same and sputtering target Hiroyuki Hara, Shinichi Hara 2020-06-02
10366870 Cylindrical sputtering target and process for producing the same Shigehisa Todoko, Kimiaki Tamano, Tetsuo Shibutami 2019-07-30
10125417 Sintered oxide, method for its production, and sputtering target Kenji Omi, Kentarou Utsumi 2018-11-13
9920420 Sintered body, sputtering target and molding die, and process for producing sintered body employing the same Masami MESUDA, Hitoshi NAGAYAMA, Tetsuo Shibutami, Shunsuke Yatsunami 2018-03-20
9127352 Cylindrical sputtering target, and method for manufacturing same Kimiaki Tamano, Shigehisa Todoko, Tetsuo Shibutami 2015-09-08
8828198 Cylindrical sputtering target Shigehisa Todoko, Tetsuo Shibutami 2014-09-09
8419400 Sintered body, sputtering target and molding die, and process for producing sintered body employing the same Masami MESUDA, Hitoshi NAGAYAMA, Tetsuo Shibutami, Shunsuke Yatsunami 2013-04-16
8206561 Cylindrical sputtering target, ceramic sintered body, and process for producing sintered body Hitoshi Mashiko, Tetsuo Shibutami 2012-06-26
7855561 Test circuit 2010-12-21
6800348 Optical recording medium Hiroyuki Takemoto, Atsushi Takeuchi, Yoshihito Fukushima, Mineo Moribe, Takehiko Numata 2004-10-05
6633077 Semiconductor device and method for manufacturing the same Shuichi Ogata 2003-10-14
6625090 Magneto-optical recording medium, and magneto-optical recording/reproducing apparatus Atsushi Takeuchi, Yoshihito Fukushima, Hiroyuki Takemoto, Mineo Moribe, Takehiko Numata 2003-09-23
6208595 Magneto-optical recording medium Yoshihito Fukushima, Atsushi Takeuchi, Hiroyuki Takemoto, Mineo Moribe, Takehiko Numata 2001-03-27
6065687 Sustained release preparations Hiroshi Suzuki, Noboru Aiba, Ryuichi Saguchi, Kinya Ogawa 2000-05-23
5772962 Analyzing apparatus using disposable reaction vessels Hiroyasu Uchida, Takashi Sato 1998-06-30
5732058 Optical disk cartridge and an optical disk drive using the same Yasumasa Iwamura, Mineo Moribe 1998-03-24
5520480 Methods for laying roads Hiromi Ohsaki, Takao Oshima 1996-05-28
RE33284 Method for the polymerization of vinyl chloride monomer in an aqeous medium Genji Noguki, Motoaki Tanaka, Hitoshi Ohba, Masahiko Watase 1990-07-31
RE32813 Method for the suspension polymerization of vinyl chloride monomer Genji Noguki, Masanobu Nakahara 1988-12-27
4694055 Method for the suspension polymerization of vinyl chloride monomer Genji Noguki, Masanobu Nakahara 1987-09-15
4694053 Method for the polymerization of vinyl chloride monomer in an aqueous medium Genji Noguki, Motoaki Tanaka, Hitoshi Ohba 1987-09-15