KO

Keiji Onishi

Sumitomo Electric Industries: 53 patents #143 of 21,551Top 1%
PA Panasonic: 34 patents #418 of 21,108Top 2%
CL Central Glass Company, Limited: 1 patents #505 of 968Top 55%
SN Stichting Imec Nederland: 1 patents #75 of 183Top 45%
Overall (All Time): #18,883 of 4,157,543Top 1%
88
Patents All Time

Issued Patents All Time

Showing 51–75 of 88 patents

Patent #TitleCo-InventorsDate
7134198 Method for manufacturing electric element built-in module with sealed electric element Seiichi Nakatani, Yoshihiro Bessho, Yasuhiro Sugaya 2006-11-14
7113055 Piezoelectric resonator, method of manufacturing piezoelectric resonator, and filter, duplexer, and communication device using piezoelectric resonator Hiroshi Nakatsuka, Hiroyuki Nakamura, Takehiko Yamakawa, Hiroshi Yamaguchi 2006-09-26
7084718 Band elimination filter, filter device, antenna duplexer and communication apparatus Hiroyuki Nakamura, Shun-ichi Seki 2006-08-01
7075391 Surface acoustic wave filter element, surface acoustic wave filter and communication device using the same Hiroyuki Nakamura, Akio Tsunekawa, Shigeru Tsuzuki 2006-07-11
7046102 Surface acoustic wave filter, balanced type circuit, and communication apparatus Hiroyuki Nakamura, Takashi Inoue 2006-05-16
6996882 Method for producing a surface acoustic wave element Hiroki Sato, Yoshihiro Tomita 2006-02-14
6969945 Surface acoustic wave device, method for manufacturing, and electronic circuit device Akihiko Namba, Yasuhiro Sugaya, Katsunori Moritoki 2005-11-29
6930570 Surface acoustic wave filter element, surface acoustic wave filter and communication device using the same Hiroyuki Nakamura, Akio Tsunekawa, Shigeru Tsuzuki 2005-08-16
6798121 Module with built-in electronic elements and method of manufacture thereof Seiichi Nakatani, Yoshihiro Bessho, Yasuhiro Sugaya 2004-09-28
6750737 High frequency switch and radio communication apparatus with layered body for saw filter mounting Kazuhide Uriu, Toru Yamada, Toshio Ishizaki 2004-06-15
6710682 Surface acoustic wave device, method for producing the same, and circuit module using the same Akihiro Nanba, Hiroki Sato, Katsunori Moritoki, Yoshihiro Bessho, Kunihiro Fujii +1 more 2004-03-23
6590293 Electronic component, having projection electrodes and methods for manufacturing thereof Akihiko Namba, Katsunori Moritoki 2003-07-08
6426583 Surface acoustic wave element, method for producing the same and surface acoustic wave device using the same Hiroki Sato, Yoshihiro Tomita 2002-07-30
6236141 Surface acoustic wave element Hiroki Sato, Akihiko Namba, Yutaka Taguchi, Yosihiro Tomita 2001-05-22
6166611 Resonator ladder type surface acoustic wave filter Shun-ichi Seki, Yutaka Taguchi, Osamu Kawasaki, Kazuo Eda 2000-12-26
6154940 Electronic part and a method of production thereof Hideki Iwaki, Shun-ichi Seki, Yutaka Taguchi, Tsukasa Shiraishi, Yoshihiro Bessho +2 more 2000-12-05
6107899 Surface acoustic wave filter with grounds not connected in the package or on the piezoelectric substrate Yutaka Taguchi, Kazuo Eda, Shunichi Seki 2000-08-22
6043725 Filter circuit having plural passing bands Yutaka Taguchi, Kazuo Eda, Osamu Kawasaki, Shun-ichi Seki, Hiroki Sato 2000-03-28
6018281 Resonator type surface acoustic wave ladder filter with voltage variable capacitance element Yutaka Taguchi, Kazuo Eda, Shunichi Seki 2000-01-25
5998907 Surface acoustic wave devices and their manufacturing method Yutaka Taguchi, Kazuo Eda, Osamu Kawasaki, Yosihiro Tomita, Shun-ichi Seki +3 more 1999-12-07
5991989 Method of manufacture of surface acoustic wave device Shun-ichi Seki, Yutaka Taguchi, Kazuo Eda 1999-11-30
5936488 Surface acoustic wave filter having input and output transducers with different aperture lengths Yutaka Taguchi, Kazuo Eda, Shunichi Seki 1999-08-10
5920142 Electronic part and a method of production thereof Hideki Iwaki, Shun-ichi Seki, Yutaka Taguchi, Tsukasa Shiraishi, Yoshihiro Bessho +2 more 1999-07-06
5894251 High frequency filter having saw and dielectric filters with different frequency temperature characteristic signs Yutaka Taguchi, Kazuo Eda, Shun-ichi Seki, Toru Yamada 1999-04-13
5892418 Balanced type surface acoustic wave device Kazuo Eda, Yutaka Taguchi, Shunichi Seki 1999-04-06