IK

Isao Kitazawa

CC Citizen Watch Co.: 4 patents #269 of 1,225Top 25%
CC Citizen Holdings Co.: 2 patents #121 of 431Top 30%
📍 Nishitokyo, JP: #64 of 277 inventorsTop 25%
Overall (All Time): #865,982 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
7961557 Analog electronic watch Teruhiko Fujii, Masaaki Namekawa, Takayuki Uchida, Takayuki Hasumi, Takuji Ike 2011-06-14
7701807 Analog electronic timepiece that prevents deviation of displayed time when an impact is applied to the timepiece Akiyoshi Murakami, Haruhiko Higuchi 2010-04-20
7161874 Power generating type electronic timepiece Masakazu Ichikawa 2007-01-09
6876602 Electronic timepiece, information processing device, method of displaying charged condition of secondary cell, and computer product Masakazu Ichikawa, Masao Sakuyama, Tomio Okigami 2005-04-05
6593901 Electronic device Tomio Okigami, Hiroshi Fujioka, Takashi Osa, Masahiro Sase 2003-07-15
6185158 Small electronic apparatus having function display Yukio Ito, Tomio Okigami 2001-02-06