TK

Tsutomu Kojima

KT Kabushiki Kaisha Toshiba: 7 patents #4,294 of 21,451Top 25%
TC Taiyo Yuden Co.: 3 patents #384 of 959Top 45%
AC Asahi Kasei Kogyo Co.: 2 patents #303 of 1,395Top 25%
PI Piolax: 2 patents #58 of 198Top 30%
AK Asahi Kasei Kabushiki Kaisha: 2 patents #302 of 1,220Top 25%
OC Organ Needle Co.: 1 patents #3 of 16Top 20%
SC Screen Holdings Co.: 1 patents #452 of 686Top 70%
AC Advanced Technology & Materials Co.: 1 patents #255 of 410Top 65%
VJ Victor Company Of Japan: 1 patents #818 of 1,489Top 55%
EN Entegris: 1 patents #376 of 643Top 60%
KS Kitz Sct: 1 patents #7 of 22Top 35%
NL Nippon Sheet Glass Company, Limited: 1 patents #482 of 836Top 60%
OC Ono Pharmaceutical Co.: 1 patents #329 of 559Top 60%
Overall (All Time): #180,405 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
12151540 Windshield Masayuki Shiotsuka, Hironori Kuribayashi, Mitsunobu Yamada 2024-11-26
11935688 Coil component and electronic device Asa Yamamoto, Tetsuo Kumahora 2024-03-19
11640869 Bonding structure of a sheet core and a pair of flange parts of a coil component 2023-05-02
10867736 Common mode choke coil, method for manufacturing the same, and circuit board 2020-12-15
10471479 Treatment device and exhaust switching device therefor, and exhaust switching unit and switching valve box Toshihito MORIOKA, Hideaki Higuchi, Toshiaki Iwabuchi 2019-11-12
9790600 Etching agent for copper or copper alloy Yukichi Koji 2017-10-17
9175404 Etching agent for copper or copper alloy Yukichi Koji 2015-11-03
8759971 Semiconductor apparatus Ryuji Hosokawa, Tatsuo Shiotsuki 2014-06-24
7994584 Semiconductor device having non-silicide region in which no silicide is formed on diffusion layer Takayuki Hiraoka, Kuniaki Utsumi, Kenji Honda 2011-08-09
7535283 Gate drive circuit, semiconductor module and method for driving switching element 2009-05-19
7401994 Securing clip Takashi Koike, Shinya TAKASHIMA 2008-07-22
7068082 Gate driving circuit and semiconductor device 2006-06-27
RE38907 Semiconductor device Tomoko Matsudai, Akio Nakagawa 2005-12-06
6575681 Resin clip Kazunori Asano 2003-06-10
6534658 1,3,4-oxadiazole derivatives and process for producing the same Katsutoshi Hachiya, Kazuyuki Ohmoto 2003-03-18
6518791 Gate driver for driving a switching element, and a power converter in which the gate driver and an output element are integrated in one-chip Hiroshi Takei, Morio Takahashi, Akira Yamashita 2003-02-11
6411133 Semiconductor device Tomoko Matsudai, Akio Nakagawa 2002-06-25
6379558 Process for treating development waste liquor Nobuo Ogawa, Shin Ashizuka, Andre Dheur 2002-04-30
6270267 Method of developing photosensitive resin plate and developing device Nobuo Ogawa 2001-08-07
6153107 Process for treating development waste liquor Nobuo Ogawa, Shin Ashizuka, Andre Dheur 2000-11-28
5392725 Sewing machine needle and method for manufacturing same Yoshitsugu Takei 1995-02-28
5213949 Method for selectively curing a liquid photosensitive resin by masking exposure Takashi Yamashita 1993-05-25
4580254 Automatic disc selection type reproducing apparatus Shigeru Hojyo, Yoshiaki Wada, Toshiyuki Dateyama, Yoshitaka Koseki 1986-04-01