OO

Osamu Onitsuka

Tdk: 12 patents #488 of 3,796Top 15%
SI Seiko Instruments: 5 patents #328 of 1,437Top 25%
OC Olympus Optical Co.: 1 patents #1,517 of 2,334Top 65%
Overall (All Time): #258,117 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8400050 Piezoelectric vibrator having a restriction portion for restricting scattering of a getter material, oscillator, electronic equipment and radio-controlled timepiece Junya Fukuda, Kazuyoshi Sugama 2013-03-19
8212454 Piezoelectric vibrator, piezoelectric vibrator manufacturing method, oscillator, electronic device, radio-controlled timepiece Kazuyoshi Sugama 2012-07-03
8032997 Manufacturing method for a piezoelectric vibrator Masashi Numata, Kiyoshi Aratake, Junya Fukuda, Kazuyoshi Sugama 2011-10-11
8020265 Method of manufacturing a piezoelectric vibrator Kazuyoshi Sugama 2011-09-20
7872401 Piezoelectric vibrator with hermetically closed casing and filler comprising non-spherical conductive particles Kazuyoshi Sugama, Sumihiko Kurita 2011-01-18
6445126 Organic electroluminescent device Michio Arai 2002-09-03
6404126 Organic electroluminescent device having a conjugated polymer and an inorganic insulative electron injecting and transporting layer Michio Arai 2002-06-11
6284342 Organic EL display assembly Akira Ebisawa, Hiroyuki Endo, Masayuki Kawashima, Toshio Hayakawa 2001-09-04
6268071 Organic electroluminescent device Kouji Yasukawa, Hiroyuki Endo, Hideo Kato, Junichi Shimamura, Akira Ebisawa 2001-07-31
6259204 Organic electroluminescent device Akira Ebisawa, Kouji Yasukawa, Hiroyuki Endo, Taku Someya 2001-07-10
6188176 Organic electroluminescent device and preparation method with ITO electrode (111) orientation Kenji Nakaya, Yasunaga Kagaya, Mitsufumi Codama 2001-02-13
6187457 Organic EL element and method of producing the same Michio Arai, Kenji Nakaya, Masami Mori 2001-02-13
6132280 System and process for fabricating an organic electroluminescent display device Hiroshi Tanabe, Hiroshi Yamamoto, Kengo Fukuyu 2000-10-17
6121726 Organic electroluminescent color display having color transmitting layers and fluorescence converting layer with improved structure for color conversion efficiency on a color transmitting layer Mitsufumi Codama, Tetsushi Inoue, Kenji Nakaya, Michio Arai 2000-09-19
6114805 Organic electroluminescent display with filter layer Mitsufumi Codama 2000-09-05
6049167 Organic electroluminescent display device, and method and system for making the same Akira Ebisawa, Mitsunari Suzuki, Hiroshi Yamamoto, Michio Arai 2000-04-11
6023371 Color conversion material, and organic electroluminescent color display using the same Tetsushi Inoue, Akira Ebisawa, Mutsuko Nakano 2000-02-08
4611221 Solid state image pick-up device Masaharu Imai, Ikuo Tohukuji, Terumasa Morita, Shunpei Tanaka, Hiroshi Matsui 1986-09-09