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Osamu Kawachi

FL Fujitsu Media Devices Limited: 27 patents #5 of 136Top 4%
TC Taiyo Yuden Co.: 19 patents #50 of 959Top 6%
Fujitsu Limited: 14 patents #2,150 of 24,456Top 9%
Overall (All Time): #45,887 of 4,157,543Top 2%
55
Patents All Time

Issued Patents All Time

Showing 1–25 of 55 patents

Patent #TitleCo-InventorsDate
11595019 Acoustic wave resonator, filter, and multiplexer Naoki Kakita, Rei Oikawa 2023-02-28
10826461 Acoustic wave device Kohei Ito 2020-11-03
10491191 Acoustic wave device and method of fabricating the same Hideyuki Sekine 2019-11-26
10263757 Filter circuit and module Kensei Uehara 2019-04-16
10250231 Acoustic wave device Minako Sakurai 2019-04-02
10187035 Acoustic wave device Rei Oikawa 2019-01-22
9985606 Acoustic wave filter, duplexer, and module Ryo Miyamoto, Masato Ito 2018-05-29
9825612 Multiplexer Naoki Takahashi 2017-11-21
9751109 Acoustic wave device and method of fabricating the same Akira Moriya 2017-09-05
9667221 Acoustic wave device Kensei Uehara 2017-05-30
9633873 Electronic device Motoi Yamauchi 2017-04-25
9306538 Composite electronic component Kanehisa Kimbara 2016-04-05
9294068 Filter circuit and module Kensei Uehara 2016-03-22
9214445 Electronic component and method of fabricating the same Motoi Yamauchi, Yasushi Fukuda, Yoshinobu Ishibashi 2015-12-15
RE45419 Surface acoustic wave device and method of fabricating the same Osamu Ikata, Masanori Ueda, Suguru Warashina 2015-03-17
8093101 Electronic device and method of fabricating the same Kaoru Sakinada, Takumi Kooriike, Shunichi Aikawa, Yasufumi Kaneda 2012-01-10
8076827 Acoustic wave device and method for fabricating the same Yasuyuki Saitou, Kaoru Sakinada, Yasuyuki Oda 2011-12-13
8063722 Balance filter comprising two acoustic wave filters connected to a single ground terminal Akira Moriya, Yasufumi Kaneda 2011-11-22
8018120 Surface acoustic wave device and method of fabricating the same Akira Moriya 2011-09-13
7816794 Electronic device and method of fabricating the same Kaoru Sakinada, Takumi Kooriike, Shunichi Aikawa, Yasufumi Kaneda 2010-10-19
7795999 Filter having multiple surface acoustic wave filters connected in parallel Yasufumi Kaneda, Seiichi Mitobe, Kouta Ookubo 2010-09-14
7629864 Filter including acoustic wave filters connected in parallel Satoru Ono, Hidemitsu Kuboi, Kouta Ohkubo 2009-12-08
7400220 Surface acoustic wave device Yasuyuki Saitou 2008-07-15
7388456 Surface acoustic wave filter Hiroyuki Furusato 2008-06-17
7385468 Surface acoustic wave filter Hiroyuki Furusato 2008-06-10