MO

Masaaki Okunaka

HI Hitachi: 14 patents #2,889 of 28,497Top 15%
HD Hitachi Displays: 11 patents #84 of 752Top 15%
HC Hitachi Chemical Company: 3 patents #513 of 1,946Top 30%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
Overall (All Time): #165,098 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDate
8237353 Organic EL display device Hironori Toyoda, Masahiro Tanaka, Masakazu Gunji 2012-08-07
8129902 Organic EL display device comprising moisture diffusion reduction banks structure Kazuhiko Kai, Naoyuki Ito 2012-03-06
7786666 Organic electroluminescent display device Masato Ito, Masamitsu Furuie, Hironori Toyoda, Naoyuki Itou 2010-08-31
7705531 Organic electroluminescent display device with a light shielding member arranged on an end wall face of a periphery of the substrate Masamitsu Furuie, Shinichi Kato, Masato Ito, Hirotsugu Sakamoto 2010-04-27
7671825 Method of driving organic EL device and display device Norikazu Uchiyama, Masahiro Nishizawa, Hidetsugu Matsukiyo, Yuko Matsumoto 2010-03-02
7642701 Organic EL display device Kazuhiko Kai, Naoyuki Ito 2010-01-05
7479953 Display device Hironori Toyoda, Shinichi Kato, Masamitsu Furuie, Naoki Tokuda 2009-01-20
7474046 Display panel Masamitsu Furuie, Hironori Toyoda 2009-01-06
7332854 Organic EL display device Kazuhiko Kai, Naoyuki Ito 2008-02-19
7258586 Method for manufacturing an organic electroluminescence display Takuo Tamura, Mikio Hongo, Shinichi Kato, Eiji Matsuzaki, Masato Ito +1 more 2007-08-21
7034453 Organic EL display device with arrangement to suppress degradation of the light emitting region Kazuhiko Kai, Naoyuki Ito 2006-04-25
6937296 Flat panel display unit and method of repairing defects in its line pattern Michinobu Mizumura, Mikio Hongo, Kaoru Yamada 2005-08-30
6936409 Organic-electroluminescence device, process for its production and organic-electroluminescence display system Takashi Inoue, Yoshiharu Nagae, Yuji Mori 2005-08-30
6814887 Organic-electroluminescence device, process for its production and organic-electroluminescence display system Takashi Inoue, Yoshiharu Nagae, Yuji Mori 2004-11-09
6696181 Organic-electroluminescence device, process for its production and organic-electroluminescence display system Takashi Inoue, Yoshiharu Nagae, Yuji Mori 2004-02-24
5883437 Method and apparatus for inspection and correction of wiring of electronic circuit and for manufacture thereof Shigenobu Maruyama, Mikio Hongo, Satoru Todoroki, Hideo Matsuzaki, Takanori Ninomiya +2 more 1999-03-16
4643913 Process for producing solar cells Mitsuo Nakatani, Haruhiko Matsuyama, Hitoshi Yokono, Tokio Isogai, Tadashi Saitoh +3 more 1987-02-17
4510222 Photomask with corrected white defects Katsuro Mizukoshi, Mikio Hongo, Tateoki Miyauchi 1985-04-09
4495218 Process for forming thin film Kazufumi Azuma, Mitsuo Nakatani, Kazuo Nate, Hitoshi Yokono 1985-01-22
4486232 Electrode material for semi-conductor devices Mitsuo Nakatani, Haruhiko Matsuyama, Hitoshi Yokono, Tokio Isogai, Tadashi Saitoh +1 more 1984-12-04
4463073 Method and apparatus for redressing defective photomask Tateoki Miyauchi, Katsuro Mizukoshi, Mikio Hongo, Masao Mitani, Takao Kawanabe +1 more 1984-07-31
4444801 Method and apparatus for correcting transparent defects on a photomask Mikio Hongo, Masao Mitani, Tateoki Miyauchi, Katsuro Mizukoshi 1984-04-24
4420500 Composition and process for preparing transparent conducting film Mitsuo Nakatani, Mitsuo Yamazaki, Ryoichi Sudo, Kenji Tochigi, Hitoshi Yokono 1983-12-13
4369208 Process for producing transparent electroconductive film Ryoichi Sudo, Hitoshi Yokono, Tokio Isogai, Mitsuo Yamazaki 1983-01-18
4303554 Composition and process for producing transparent conductive film Ryoichi Sudo, Hitoshi Yokono, Tokio Isogai, Mitsuo Yamazaki 1981-12-01