RI

Ryuji Ishii

Canon: 11 patents #5,840 of 19,416Top 35%
SE Seiko Epson: 8 patents #2,198 of 7,774Top 30%
OC Oki Electric Industry Co.: 3 patents #700 of 2,807Top 25%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
KU Kyoto University: 1 patents #568 of 1,688Top 35%
Overall (All Time): #130,291 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 25 most recent of 29 patents

Patent #TitleCo-InventorsDate
11844233 Organic light-emitting element, method for producing organic light-emitting element, organic light-emitting device, method for producing organic light-emitting device, lighting device, moving object, image pickup device, and electronic apparatus Yukito Aota, Koichi Ishige, Takashi Tsuboi 2023-12-12
11765927 Semiconductor device, method of manufacturing the same, display device, photoelectric conversion device, electronic device, illumination device, and mobile object Tetsuo Takahashi, Koichi Ishige 2023-09-19
11342535 Organic light-emitting element, method for producing organic light-emitting element, organic light-emitting device, method for producing organic light-emitting device, lighting device, moving object, image pickup device, and electronic apparatus Yukito Aota, Koichi Ishige, Takashi Tsuboi 2022-05-24
11139435 Organic light emitting element Hiroki Ohrui, Kei Tagami, Masumi Itabashi 2021-10-05
10032987 Organic light emitting element Hiroki Ohrui, Kei Tagami, Masumi Itabashi 2018-07-24
9911921 Organic compound and organic light-emitting device Naoki Yamada, Jun Kamatani, Akihito Saitoh, Yosuke Nishide, Masanori Muratsubaki +4 more 2018-03-06
9755165 Silsesquioxane compound, organic light emitting element, display apparatus, image information processing apparatus, and image forming apparatus Yosuke Nishide, Naoki Yamada, Jun Kamatani, Norifumi Kajimoto, Takayuki Ito +3 more 2017-09-05
9748490 Organic compound, organic light-emitting element, and image display unit Hirokazu Miyashita, Masanori Muratsubaki, Masumi Itabashi, Jun Kamatani 2017-08-29
9472766 Fused polycyclic compound and organic light emitting element including the same Masumi Itabashi, Hiroki Ohrui, Hironobu Iwawaki, Kei Tagami, Tetsuo Takahashi +2 more 2016-10-18
8974923 Organic compound and organic light-emitting device having the same Hajime Muta, Takeshi Sekiguchi, Koichi Suzuki 2015-03-10
8952873 Fused polycyclic compound and organic light-emitting device using the compound Hiroki Ohrui, Hironobu Iwawaki, Kei Tagami, Masanori Muratsubaki 2015-02-10
8488445 Gateway device, optical network terminal, and passive optical network system Masatoshi Takihiro, Takahiro Yoshida, Tetsuhiko Takahashi, Yu Mitsui 2013-07-16
8029850 Method of manufacturing organic electroluminescent device and method of manufacturing device 2011-10-04
8007650 Apparatus for manufacturing metal nanotube and process for manufacturing metal nanotube Yasuhiro Fukunaka, Yoko Konishi, Munekazu Motoyama 2011-08-30
7932668 Organic electroluminescence device and method of manufacturing organic electroluminescence device Masaki Ito 2011-04-26
7723666 Photodiode array configured to increase electrical output power and optical microwave transmission system receiver utilizing the same Tsutomu Nagatsuka, Yoshihito Hirano, Tomohiro Akiyama, Masahito Sato, Toshitaka Aoyagi +1 more 2010-05-25
7547566 Organic electroluminescent device and method of manufacturing the same Shunichi Seki 2009-06-16
7439669 Light emitting material, method of manufacturing the light emitting material and method of manufacturing light emitting layer Takashi Shinohara, Yuji Shinohara, Masamitsu Uehara, Masamitsu Shimazu 2008-10-21
7229704 Organic electroluminescent device and method of manufacturing the same, and electronic apparatus Shunichi Seki 2007-06-12
7139479 Method and apparatus for optical network administration Masaki Ohira, Masahiro Takatori, Yuichi Yamaguchi, Toshiyuki Atsumi, Tomohiro Mori +2 more 2006-11-21
7112823 Organic electroluminescent device and method of manufacturing the same Shunichi Seki 2006-09-26
7078250 Method and apparatus for manufacturing organic electroluminescent device, electronic apparatus and method of removing ionic impurities 2006-07-18
7020401 Transponder and wavelength division-multiplexing optical transmission equipment Shinji Sakano, Yoshinori Yamada 2006-03-28
6825061 Method of manufacturing organic EL device and ink composition for organic EL device Hirofumi Hokari, Shunichi Seki 2004-11-30
6318072 Apparatus for reducing noise produced by supersonic jet Yoshikuni Umeda 2001-11-20