TK

Takao Kasai

CC Citizen Watch Co.: 7 patents #133 of 1,225Top 15%
KA Kao: 6 patents #545 of 3,221Top 20%
DE Denso: 2 patents #4,986 of 11,792Top 45%
CC Citizen Holdings Co.: 1 patents #208 of 431Top 50%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
TC Toho Kinzoku Co.: 1 patents #3 of 21Top 15%
Overall (All Time): #265,520 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
12354937 Semiconductor device and production method thereof 2025-07-08
8935012 Collision determination apparatus for vehicle 2015-01-13
8373016 Absorbent member and method of producing the same Masahiko Niinomi, Takuya Kouta, Rumiko Kasahara, Akira Noda 2013-02-12
7842891 Sealing board and method for producing the same Haruyuki Hiratsuka 2010-11-30
7781641 Absorbent article 2010-08-24
7381203 Disposable diaper 2008-06-03
7189219 Absorbent article Kazuyuki Maeda, Taketo Itoh 2007-03-13
6924429 Electronic device and production method therefor Makoto Wakasugi, Tsuneji Takasugi 2005-08-02
6800789 Absorbent article Megumi Kondo, Noriko Sato, Manabu Matsui 2004-10-05
6580014 Absorbent article and the like Hiroki Minowa, Taketo Ito 2003-06-17
6299664 Method of manufacturing sliding part and vortex flow generator for injection valve manufactured by that method Osamu Matsumoto, Masayuki Aota, Mamoru Sumida, Tsuyoshi Munezane, Takuro Kohyama 2001-10-09
5746960 Method of manufacturing powder injection molded part Kenichi Yoshikawa, Shigeru Saito, Masami Hoshi 1998-05-05
5689796 Method of manufacturing molded copper-chromium family metal alloy article Naoto Ogasawara, Naoyoshi Akiyoshi, Takeo Hamada 1997-11-18
5283031 Process for producing precision metal part by powder molding wherein the hydrogen reduction loss is controlled Naoto Ogasawara, Kenji Kurimura, Ken Yoshioka, Shigeru Saito, Masami Hoshi +1 more 1994-02-01
5151837 Composite magnetic head Makoto Wakasugi 1992-09-29
4496248 Structure for a watch case made of cemented carbide Masahiko Waki, Seiji Umezawa, Tsuneji Takasugi, Hiroshi Koide 1985-01-29
4444719 Gold solders Yosuke Sakakibara, Tsuneji Takasugi 1984-04-24