KF

Kiyoshi Fujihara

Sumitomo Electric Industries: 9 patents #3,076 of 21,551Top 15%
PA Panasonic: 3 patents #7,617 of 21,108Top 40%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
Overall (All Time): #345,503 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
11035280 CO2 trapping device Kouseki Sugiyama, Hiroshi Ohtsuki, Daiki YOKOYAMA, Yushi Seki 2021-06-15
10641150 Exhaust purification system of an internal combustion engine Yasumasa Notake, Hiromasa Nishioka, Keishi Takada, Tetsuya Sakuma 2020-05-05
8866279 Semiconductor device Yuu Hasegawa, Tooru Aoyagi, Kenichi Ito, Toshiyuki Fukuda, Masanori Nishino 2014-10-21
8669571 Light distribution controller, light-emitting device using the same, and method for fabricating light distribution controller Akihiko Murai, Masahiro Kume, Akiko Nakamura, Tooru Aoyagi 2014-03-11
8525307 Semiconductor device, lead frame assembly, and method for fabricating the same Kenichi Ito, Shigehisa Oonakahara, Yoshikazu Tamura 2013-09-03
7440386 Optical device and method of manufacturing the same Masaya Tateyanagi, Masanori Minamio, Shigeki Okamoto 2008-10-21
7280573 Semiconductor laser unit and optical pickup device Masaya Tateyanagi, Shigeki Okamoto 2007-10-09
7264407 Optical device, method for fabricating optical device, cap component, and method for forming cap component Shigeki Okamoto, Masaya Tateyanagi, Masanori Mimamio, Hiroyuki Ishida, Toshiyuki Fukuda 2007-09-04
6822997 Semiconductor laser module and optical transmission system Jun Ohya 2004-11-23
6108361 Semiconductor laser and method for producing the same Yoshihiro Mori 2000-08-22
5949808 Semiconductor laser and method for producing the same Yoshihiro Mori 1999-09-07
5936763 Optical fiber amplifier, semiconductor laser module for pumping and optical signal communication system Masahiro Mitsuda, Tomoaki Uno 1999-08-10
5793788 Semiconductor light emitting element with p-type non-alloy electrode including a platinum layer and method for fabricating the same Yuichi Inaba, Masato Ishino, Takeshi Shimazaki, Isao Kidoguchi 1998-08-11
5227015 Method of fabricating semiconductor laser Masato Ishino, Naoki Takenaka 1993-07-13