HT

Hiroyuki Tai

HI Hitachi: 13 patents #3,142 of 28,497Top 15%
📍 Tottori, JP: #18 of 379 inventorsTop 5%
Overall (All Time): #354,919 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
7546091 High-frequency circuit and high-frequency device Yoshiyuki Murakami, Shigeru Kemmochi 2009-06-09
7471962 High-frequency switch circuit, high-frequency switch module and wireless communications device comprising it Shigeru Kemmochi, Mitsuhiro Watanabe, Tsuyoshi Taketa 2008-12-30
7253702 High-frequency switch module Shigeru Kemmochi, Mitsuhiro Watanabe, Keisuke Fukamachi, Satoru Yokouchi 2007-08-07
7221922 Switch circuit and composite high frequency elements Shigeru Kemmochi, Mitsuhiro Watanabe 2007-05-22
7171234 High-frequency switch circuit Shigeru Kemmochi, Mitsuhiro Watanabe, Tsuyoshi Taketa, Toshihiko Tanaka 2007-01-30
7167687 Switch circuit and composite high-frequency part Shigeru Kemmochi, Mitsuhiro Watanabe, Keisuke Fukamachi 2007-01-23
7130655 High-frequency switch circuit Shigeru Kemmochi, Mitsuhiro Watanabe, Tsuyoshi Taketa, Toshihiko Tanaka 2006-10-31
7057472 Bypass filter, multi-band antenna switch circuit, and layered module composite part and communication device using them Keisuke Fukamachi, Shigeru Kemmochi, Mitsuhiro Watanabe, Tsuyoshi Taketa, Satoru Yokouchi 2006-06-06
7026887 High-frequency composite part and wireless communications device comprising it Mitsuhiro Watanabe, Shigeru Kemmochi, Tsuyoshi Taketa, Satoru Yokouchi 2006-04-11
7027779 Laminated-type high-frequency switch module Shigeru Kemmochi, Mitsuhiro Watanabe 2006-04-11
7003312 High-frequency switch circuit, high-frequency switch module and wireless communication device Shigeru Kemmochi, Mitsuhiro Watanabe, Tsuyoshi Taketa 2006-02-21
6987984 High-frequency switch module Shigeru Kemmochi, Mitsuhiro Watanabe, Tsuyoshi Taketa, Toshihiko Tanaka 2006-01-17
6847269 High-frequency module and wireless communication device Mitsuhiro Watanabe, Shigeru Kemmochi, Tsuyoshi Taketa, Satoru Yokouchi 2005-01-25
5880649 Multilayered frequency separator Tsuyoshi Taketa, Toshihiko Tanaka 1999-03-09