TA

Toru Arikawa

NC Nidek Co.: 6 patents #71 of 365Top 20%
FU Fujikura: 3 patents #385 of 1,407Top 30%
NT NTT: 2 patents #2,095 of 4,871Top 45%
TC Tokyo Ohka Kogyo Co.: 1 patents #437 of 684Top 65%
Overall (All Time): #444,104 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12048482 Ophthalmic apparatus 2024-07-30
11191431 Ophthalmic apparatus Kazunari Shimizu, Kenji Nakamura 2021-12-07
11185219 Ophthalmic apparatus and ophthalmic apparatus control program Yoshihiro Ozaki, Hiroyuki Umano 2021-11-30
11039740 Ophthalmic apparatus Yoshihiro Ozaki, Hiroyuki Umano 2021-06-22
10108847 Eyeglass wearing image analysis device, eyeglass wearing image analysis method, and storage medium having eyeglass wearing image analysis program stored Yoshihiro Ozaki 2018-10-23
10067361 Eyeglass fitting parameter measurement device and storage medium storing eyeglass fitting parameter measurement program Yoshihiro Ozaki, Toshihiro Kobayashi, Yujiro TOCHIKUBO 2018-09-04
7232261 Optical ferrule and molding method therefor, and optical connector using this optical ferrule Akito Nishumura, Yasuhiro Tamaki 2007-06-19
6402388 Optical connector Natsuka Imazu, Kazuhiro Takizawa, Yasuhiro Tamaki, Hiroshi Yokosuka, Masaaki Takaya +1 more 2002-06-11
6186672 Optical connector Kazuhiro Takizawa, Yasuhiro Tamaki, Hiroshi Yokosuka, Shinji Nagasawa, Masaaki Takaya 2001-02-13
6179482 Optical connector and housing for optical connector Kazuhiro Takizawa, Yasuhiro Tamaki, Hiroshi Yokosuka, Kazuo Hogari, Shin-ichi Furukawa 2001-01-30
5706930 Method of and apparatus for transferring circular object Tsutomu Sahoda, Koji Ueda, Hidenori Miyamoto 1998-01-13