SO

Sadao Oku

SI Seiko Instruments: 8 patents #205 of 1,437Top 15%
SS Sii Semiconductor: 1 patents #59 of 108Top 55%
Overall (All Time): #511,970 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9362195 Semiconductor device Koji Tsukagoshi, Hiroyuki Fujita, Keiichiro Hayashi, Masaru Akino 2016-06-07
9240498 Optical semiconductor device Hiroyuki Fujita, Koji Tsukagoshi, Keiichiro Hayashi 2016-01-19
9029968 Optical sensor device Koji Tsukagoshi, Hitoshi Kamamori, Hiroyuki Fujita, Keiichiro Hayashi 2015-05-12
8946664 Optical sensor device having wiring pattern within cavity housing optical sensor element Koji Tsukagoshi, Hitoshi Kamamori, Hiroyuki Fujita, Keiichiro Hayashi 2015-02-03
8933386 Optical sensor device and method of manufacturing the same Hitoshi Kamamori, Hiroyuki Fujita, Koji Tsukagoshi, Keiichiro Hayashi 2015-01-13
8438709 Method of fabricating a piezoelectric vibrator Masashi Numata, Yasuo Kawada 2013-05-14
8134173 Lighting device having light emitting element mounted in glass substrate Hitoshi Kamamori, Hiroyuki Fujita, Keiichiro Hayashi 2012-03-13
7719171 Method of fabricating hermetic terminal and hermetic terminal, method of fabricating piezoelectric oscillator and piezoelectric oscillator, oscillator, electronic appliance, and radio clock Mitsuo Akiba 2010-05-18
7511405 Piezoelectric vibrator and method of fabricating piezoelectric vibrator, and oscillator, electric apparatus, and radio wave timepiece having piezoelectric vibrator Masashi Numata, Yasuo Kawada 2009-03-31
7345411 Surface mount type piezoelectric vibrator and manufacturing method of the same, an oscillator with the surface mount type piezoelectric vibrator, an electronic unit, and a wave clock Masayuki Sato, Atsushi Kamiyama 2008-03-18