TK

Toshiyasu Kitamura

Sumitomo Electric Industries: 18 patents #1,247 of 21,551Top 6%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
MC Matsushit Electric Industrial Co.: 1 patents #13 of 293Top 5%
Overall (All Time): #199,546 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12199292 Battery with improved heat dissipation Toshiya Gotou, MITSUTOSHI TAJIMA 2025-01-14
7746323 5-directional key operation device Susumu Otsuki, Mamoru Yoshida, Teruo Nanmoku, Akinori Ohira, Koichi Yamamoto 2010-06-29
7376447 Mobile telephone Mamoru Yoshida, Tsutomu Abe, Tetsuya Kubo, Toru Yanashima 2008-05-20
6944429 Portable terminal device Nobutoshi Hamada, Katsuhisa Furukawa 2005-09-13
6868259 Keybutton illuminating device and wireless communication terminal apparatus equipped with the same Kazuhiro Konishi, Taichi Tabata, Kouichi Yamamoto 2005-03-15
6831843 Earphone jack holding device Teruo Nanmoku, Taichi Tabata, Hideo Ono 2004-12-14
6628351 Liquid crystal display apparatus Hiroyuki Chihara, Shinichi Terao, Takefumi Ishida 2003-09-30
6628785 Water sinking confirmation device and portable terminal device using the same Koichi Yamamoto 2003-09-30
6567650 Portable terminal device Makoto Tamaru, Mamoru Yoshida 2003-05-20
6512827 Portable terminal device 2003-01-28
6504727 Earphone jack holding device Teruo Nanmoku, Taichi Tabata, Hideo Ono 2003-01-07
6477356 Sounding-body holding device Shinichi Terao, Takashi Osato 2002-11-05
6396923 Portable terminal device Kazuhiro Konishi 2002-05-28
6375283 Radio device housing Akinori Ohira 2002-04-23
6358065 Display unit installing and connecting device Shinichi Terao, Noriyoshi Satoh 2002-03-19
6342932 Liquid crystal display Shinichi Terao, Yutaka Masutani, Katsuhisa Furukawa 2002-01-29
6326571 Button switch Teruo Nanmoku, Kazuhiro Konishi, Kouichi Yamamoto 2001-12-04
6326928 Antenna fixing method and device Hiroyuki Chihara, Nobutoshi Hamada, Hideo Ono 2001-12-04
6315142 Fitting piece and portable terminal device using the same Kazuhiro Konishi, Makoto Tamaru 2001-11-13
6169521 Built-in antenna 2001-01-02
6140971 Antenna device having feeding spring escape prevention ribs 2000-10-31