YT

Yasuhiko Tanaka

FC Fuji Photo Optical Co.: 28 patents #6 of 509Top 2%
Fujitsu Limited: 14 patents #2,150 of 24,456Top 9%
KC Konishiroku Photo Industry Co.: 9 patents #85 of 894Top 10%
TW The Japan Steel Works: 9 patents #11 of 643Top 2%
Sumitomo Electric Industries: 6 patents #4,612 of 21,551Top 25%
PA Panasonic: 5 patents #5,165 of 21,108Top 25%
AE Aida Engineering: 4 patents #24 of 163Top 15%
Sharp Kabushiki Kaisha: 4 patents #3,475 of 10,731Top 35%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
OC Olympus Optical Co.: 1 patents #1,517 of 2,334Top 65%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
HC Hitachi Industrial Equipment Systems Co.: 1 patents #318 of 550Top 60%
TI Toray Industries: 1 patents #2,000 of 3,690Top 55%
ME Mistubishi Electric: 1 patents #1 of 47Top 3%
KO Konica: 1 patents #1,290 of 1,958Top 70%
Overall (All Time): #22,676 of 4,157,543Top 1%
80
Patents All Time

Issued Patents All Time

Showing 1–25 of 80 patents

Patent #TitleCo-InventorsDate
11994310 Air-conditioning system 2024-05-28
10227682 High-strength low-alloy steel excellent in high-pressure hydrogen environment embrittlement resistance characteristics and method for producing the same Kouichi Takasawa, Yoru Wada, Ryoji Ishigaki 2019-03-12
10224305 Semiconductor device Masaki Nakayama, Motoji Shiota, Takashi Matsui, Hiroki Miyazaki, Seiji Muraoka 2019-03-05
9995977 Circuit board, display panel, and display device Masaki Nakayama, Motoji Shiota, Takashi Matsui, Hiroki Miyazaki 2018-06-12
9810445 Air-conditioning system Atsuhiro Yabuta 2017-11-07
9021946 Press machine and method of controlling the same Hiroshi Nagase, Kenji Suzuki, Hiroaki Yoshida 2015-05-05
8974612 High-strength low-alloy steel excellent in high-pressure hydrogen environment embrittlement resistance characteristics and method for producing the same Kouichi Takasawa, Yoru Wada, Ryoji Ishigaki 2015-03-10
8622594 Light emitting element module and manufacturing method thereof, and backlight apparatus Toshiya Ishio 2014-01-07
8381644 Motor drive control device Kenji Suzuki, Hiroshi Nagase, Toshihiko Yamamoto, Shunsuke Matsunaga 2013-02-26
8313589 High-strength low-alloy steel excellent in high-pressure hydrogen environment embrittlement resistance characteristics and method for producing the same Koichi Takasawa, Yoru Wada, Ryoji Ishigaki 2012-11-20
8234930 Method of determining fatigue of pressure-resistant component for high-pressure hydrogen Yoru Wada, Ryoji Ishigaki 2012-08-07
7638854 Semiconductor device, display module, and manufacturing method of semiconductor device Kenji Toyosawa 2009-12-29
D569839 Camera equipped cordless handset of a videophone Shinzo Murakami 2008-05-27
7187996 Press machine Hideki Hayashi, Masaki Senda 2007-03-06
6937816 Shooting apparatus and lens barrel Hiroshi Endo, Yoshihiro Ito, Takehiko Senba, Akio Omiya 2005-08-30
6835006 Lens barrel and camera Kazunori Ishizuka, Masaaki Orimoto, Shigeru Kondo 2004-12-28
D494988 Electric component placement machine Naoyuki Kitamura, Nobuhiro Nakai, Hiroshi Haji, Maiko Matsuo 2004-08-24
6707194 Motor actuation device for camera 2004-03-16
6701084 Camera Kazuhiko Onda 2004-03-02
6650838 Device for opening cover Katsuaki Ohashi 2003-11-18
6584288 Device for detecting loading of film cartridge Takashi Kamoda 2003-06-24
6553188 Camera with improved outer covers 2003-04-22
6546209 Camera Takashi Kamoda 2003-04-08
6491448 Camera having a lens cover 2002-12-10
6466747 Structure of manual operation button 2002-10-15