TK

Toshihiko Kawamoto

NC Nihon Dempa Kogyo Co.: 3 patents #109 of 296Top 40%
TC Tohto Kasei Co.: 1 patents #21 of 30Top 70%
WC Wisol Co.: 1 patents #21 of 49Top 45%
Overall (All Time): #927,332 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11955949 Resonator, and filter and duplexer having the same Ryota Sato, Sang Tai Yu, Je Cheol Lee 2024-04-09
8354895 Duplexer including first and second additional grating reflectors Susumu Yoshimoto 2013-01-15
8339217 Low band side filter of duplexer, high band side filter of duplexer, and duplexer Susumu Yoshimoto 2012-12-25
8093961 Duplexer formed on piezoelectric substrate Susumu Yoshimoto 2012-01-10
6169159 Alcohol-blocked brominated bisphenol a epoxy resin flame retardants for carbonyl-containing thermoplastic resins Tetsunori Sato, Yoshiyuki Morikawa 2001-01-02