KS

Kenji Seki

OC Osaka Gas Co.: 11 patents #11 of 689Top 2%
TC Tokyo Ohka Kogyo Co.: 6 patents #187 of 684Top 30%
NE Nec: 4 patents #3,388 of 14,502Top 25%
Ricoh Company: 4 patents #4,167 of 9,818Top 45%
OC Osaka Gas Chemicals Co.: 3 patents #1 of 38Top 3%
RD Roland Dg: 3 patents #42 of 158Top 30%
MG Mahle International Gmbh: 2 patents #481 of 1,650Top 30%
MJ Mahle Filter Systems Japan: 2 patents #26 of 115Top 25%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
IC Idemitsu Kosan Co.: 2 patents #509 of 1,237Top 45%
VJ Victor Company Of Japan: 1 patents #818 of 1,489Top 55%
IC Idemitsu Petrochemical Co.: 1 patents #305 of 578Top 55%
Nichia: 1 patents #1,005 of 1,531Top 70%
PC Petroleum Energy Center: 1 patents #66 of 180Top 40%
TC Toho Beslon Co.: 1 patents #18 of 50Top 40%
AK Aisan Kogyo Kabushiki Kaisha: 1 patents #344 of 642Top 55%
Overall (All Time): #72,054 of 4,157,543Top 2%
42
Patents All Time

Issued Patents All Time

Showing 1–25 of 42 patents

Patent #TitleCo-InventorsDate
12370817 Processing device with a sheet cutter Yuichi Sugiyama, Akihiro Suzuki, Ryosuke Nonaka 2025-07-29
12285716 Adsorbent, canister, and method for producing adsorbent Koji Yamasaki 2025-04-29
11896949 Adsorbent, canister and method for producing adsorbent Takayuki Hamase, Koji Yamasaki 2024-02-13
11358976 Surface treatment agent, surface treatment method, and area selective deposition method Jun IIOKA, Takumi Namiki 2022-06-14
11149694 Canister 2021-10-19
10988649 Method for imparting water repellency to substrate, surface treatment agent, and method for suppressing collapse of organic pattern or inorganic pattern in cleaning substrate surface with cleaning liquid Takumi Namiki 2021-04-27
10961422 Surface treatment liquid, surface treatment method, and method for suppressing pattern collapse Shinji Kumada, Takumi Namiki 2021-03-30
10941301 Surface treatment method, surface treatment agent, and method for forming film region-selectively on substrate 2021-03-09
10920179 Cleaning solution and method for cleaning substrate Tatsuo Goto 2021-02-16
10377144 Ink supply system and inkjet printer Naoki Ueda, Yoshitaka Hatano 2019-08-13
10272693 Air trap unit, ink supply system, and inkjet printer Naoki Ueda, Yoshitaka Hatano 2019-04-30
10119103 Cleaning liquid and method for cleaning Tatsuo Goto 2018-11-06
9732297 Gas purification method Takahisa Utaki, Shota KAWASHIMA, Yuhei Morita 2017-08-15
8899968 Combustible gas processing system and combustible gas processing method Masataka Masuda, Hirofumi Ohtsuka, Etsuo Shito, Katsuhiko Hirao 2014-12-02
8328913 Flammable gas concentration system Etsuo Shito, Katsuhiko Hirao 2012-12-11
8323450 Method of manufacturing heat storage material, heat storage material, and heat storage adsorbent material and canister 2012-12-04
8262771 Flammable gas concentration device and flammable gas concentration method Etsuo Shito, Katsuhiko Hirao 2012-09-11
8105426 Canisters Ryuji Kosugi, Masataka Suzuki 2012-01-31
7906078 Adsorbent of latent-heat storage type for canister and process for producing the same 2011-03-15
7543574 Canister Koji Yamazaki, Takashi Hasumi 2009-06-09
7309381 Gas storage canister Koji Yamazaki 2007-12-18
6779048 Programmable controller including intelligent module Atsushi Ito 2004-08-17
6629165 Programmable controller including intelligent module Atsushi Ito 2003-09-30
6316536 Polyarylene sulfide resin composition, and moldings and connectors made of it Masaya Okamoto, Minoru Senga, Koichi Suga 2001-11-13
5998647 Methane adsorbing-retaining agent and the use thereof in a method for gas storage Masataka Fujiwara, Wasuke Mori, Satoshi Takamizawa 1999-12-07