Tokyo, JP 1982

2,983 patents  ·  1,903 inventors

Ranked #1 of 15,417 cities Top 1%

Showing 1–50 of 1,903 inventors

Rank Inventor Primary Company Patents
1 Junji Hirooka Oki Electric Industry Co. 21
1 Hisao Fukushima Oki Electric Industry Co. 21
3 Tsuneo Hanzawa Entex Industries 14
3 Hamao Umezawa Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai 14
#5 Yoshikazu Suzuki Ushio Denki Kabushiki Kaisha 13
#6 Yoshiyasu Ishii Combi 11
#7 Osamu Maida Nippon Kogaku K.K. 10
#7 Kazuo Tanaka Canon 10
#9 Kazuo Watanabe Murata Manufacturing Co. 9
#9 Masaharu Shida Daini Seikosha 9
#11 Hisashi Ogawa Toyota 8
#11 Kazuhiko Sugano Nissan Motor Co. 8
#11 Akira Torisawa Canon 8
#11 Junichiro Kanbe Canon 8
#15 Akio Kobayashi Nippondenso Co. 7
#15 Takashi Kobayashi Hitachi 7
#15 Yasushi Inoshita Nissan Motor Co. 7
#15 Kenji Yokoyama Nippon Gakki Seizo 7
#15 Takeshi Matsui Sony 7
#15 Takao Okada Olympus Optical Co. 7
#15 Tomio Takeuchi Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai 7
#15 Toshitami Hara Canon 7
#15 Nobuhiko Shinoda Canon 7
#15 Toshiaki Tanaka Toyota 7
#25 Masaaki Saito Nissan Motor Co. 6
#25 Tugio Okuzawa Ricoh Company 6
#25 Tomoaki Ikeda Fujitsu Limited 6
#25 Masami Shimizu Canon 6
#25 Junzo Tanaka Sumitomo Electric Industries 6
#25 Hiroyasu Murakami Canon 6
#25 Tsunehiro Tsukagoshi Pioneer Electronic 6
#25 Hiroshi Sato Canon 6
#25 Shinichiro Hattori Olympus Optical Co. 6
#25 Masaaki Mandai Daini Seikosha 6
#25 Shigeki Ueda Sumitomo Electric Industries 6
#25 Nobuo Tezuka Canon 6
#25 Susumu Matsumoto Combi 6
#25 Takekazu Iijima Pioneer 6
#39 Shinji Sakai Canon 5
#39 Atsushi Noda Canon 5
#39 Yoshio Ishigaki Sony 5
#39 Shinji Murata Canon 5
#39 Hirokazu Shimizu Sumitomo Electric Industries 5
#39 Kenichi Matsunaga Kureha Kagaku Kogyo 5
#39 Keisuke Iwata Iwata Electric Co. 5
#39 Kyoji Tsutsui Ricoh Company 5
#39 Shinichi Yokozeki Pioneer Electronic 5
#39 Yosuke Yamamoto Fujifilm 5
#39 Toshikazu Yoshino Pioneer Electronic 5
#39 Eiichiro Aoki Yamaha 5