SY

Seiichi Yamaguchi

Sumitomo Electric Industries: 7 patents #3,987 of 21,551Top 20%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
Yamaha: 2 patents #899 of 2,001Top 45%
HM Hino Motors: 1 patents #109 of 311Top 40%
Nintendo Co.: 1 patents #886 of 1,476Top 65%
Overall (All Time): #377,641 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
10569173 Non-transitory storage medium having stored therein information processing program, information processing system, information processing apparatus, and information processing method Keita Tsutsui 2020-02-25
7463578 Transmission parameter control device Naoto Iwamura, Yasushi Miyagawa, Shinya Hatakeyama 2008-12-09
7428534 Information retrieval system and information retrieval method using network Shinichi Ito, Taiki Kamiya, Yasuhiko Asahi, Taro Tokuhiro, Hisanori Murakami 2008-09-23
7389838 Hybrid powered vehicle Koichi Yamaguchi 2008-06-24
7346544 Method for selling items using a network Taro Tokuhiro, Hisanori Murakami 2008-03-18
6956432 Transmission output correcting apparatus Eisuke Kobayashi, Kazuhide Yamada 2005-10-18
6175746 Multiband mobile unit communication apparatus Keiichi Nakayama, Fujio Sasaki, Yukichi Aihara, Hiroaki Kosugi 2001-01-16
6094564 Mobile communication apparatus operable in different formats and pairing I-F band pass filter type with I-F amplifier characteristics Wataru Tomiya, Fujio Sasaki, Hiroaki Kosugi 2000-07-25
6032032 Mobile radio communication apparatus Hidenobu Kato, Fujio Sasaki, Hiroaki Kosugi 2000-02-29
6006080 Receiving mixer circuit for mobile radio transceiver designed to operate with multiple modulation modes and multiple frequency bands Hidenobu Kato, Keiichi Nakayama, Takashi Enoki, Manabu Yamaguchi, Kaoru Ishida +1 more 1999-12-21
5966666 Multiple-band mobile transceiver having a smaller number of local oscillators Fujio Sasaki, Hiroaki Kosugi 1999-10-12
5852784 Multiband mobile unit communication apparatus Fumio Ito, Fujio Sasaki, Hiroaki Kosugi 1998-12-22
5768321 Automatic frequency control unit which detects a frame pattern in a phase modulation signal Hiroaki Watanabe, Tomoyuki Ueno, Mitsuhiro Ono 1998-06-16