TK

Takeshi Kumazawa

Fujitsu Limited: 6 patents #5,180 of 24,456Top 25%
KT Kabushiki Kaisha Toshiba: 3 patents #8,011 of 21,451Top 40%
HC Hirose Electric Co.: 2 patents #163 of 407Top 45%
TC Tensho Electric Industries Co.: 2 patents #1 of 10Top 10%
MC Mino Yogyo Co.: 1 patents #3 of 18Top 20%
Canon: 1 patents #14,899 of 19,416Top 80%
📍 Yokohama, JP: #310 of 480 inventorsTop 65%
Overall (All Time): #256,587 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
9789671 Shock absorbing member Kiyoto Sekine, Ayumi Tsujino 2017-10-17
9332016 Web server, information providing method, and information providing system Kazuo Tomono 2016-05-03
9219635 Server apparatus and privilege receiving opportunity notification method 2015-12-22
9211600 Boron carbide-containing ceramic bonded body and method for producing the bonded body Kiyoto Sekine, Hideki Kita, Hideki Hyuga 2015-12-15
8883069 Dense boron carbide ceramic and process for producing the same Yoshiyuki Sensui, Toru Honda 2014-11-11
8011944 Electrical connector assembly Hirokazu Umehara 2011-09-06
7354313 Photoelectric combined connector Takeshi Yamazaki, Takumi Yoshida 2008-04-08
7301259 Vibration type driving apparatus Yutaka Maruyama, Kiyoshi Nitto, Naoki Soumiya 2007-11-27
7293089 Site evaluation system and site evaluation program storage medium Masafumi Fukumoto 2007-11-06
7277939 Site evaluation system and site evaluation program storage medium Masafumi Fukumoto 2007-10-02
7222171 Site evaluation system and site evaluation program storage medium Masafumi Fukumoto 2007-05-22
6461156 Firing setters and process for producing these setters Yoshiyuki Sensui, Mikichika Haga, Yoshiaki Hayashi 2002-10-08
6442589 Method and system for sorting and forwarding electronic messages and other data Tadashi Takahashi, Hirokatsu Araki, Tsuyoshi Hirao, Hitoshi Matsumoto 2002-08-27
6261073 Rotary compressor having bearing member with discharge valve element 2001-07-17
5350280 Fluid compressor Toshiya Yajima, Takuya Hirayama, Hirotsugu Sakata, Makoto Hayano, Masayuki Okuda +2 more 1994-09-27
5010739 Air conditioning apparatus having audible sound level control function Masao Isshiki 1991-04-30
D298178 Combined respirator and goggles Goro Kikuch, Hiroshi Miura 1988-10-18
4688567 Gas mask Goro Kikuchi, Hiroshi Miura 1987-08-25