Ryugasaki, JP All Time

880 patents  ·  114 inventors

Ranked #4,061 of 111,555 cities Top 4%

Showing 1–50 of 114 inventors

Rank Inventor Primary Company Patents
1 Genroku Sugiyama Hitachi Construction Machinery Co. 94
2 Osamu Miyazaki Hitachi Medical 76
3 Yasutaka Tsuruga Hitachi Construction Machinery Co. 63
#4 Kazuo Ishida Mitsubishi Electric 51
#5 Fumihiko Matsuda Nippon Mektron 35
#6 Masami Yoshida Smc 34
#7 Hirotaka Takeshima Hitachi Medical 32
#8 Hiroaki Yada Sony 31
#9 Hiroyuki Ebinuma Sekisui Medical Co. 28
#10 Mitsuaki Yamamoto Sekisui Medical Co. 22
#10 Takayuki Ban Toyota 22
#10 Takeshi Aikawa Kabushiki Kaisha Toshiba 22
#13 Shohei Kamiya Hitachi Construction Machinery Co. 21
#14 Kyoko Matsui Toyota 20
#14 Yoshiharu Yamanishi Eisai 20
#16 Arata Tanaka Littelfuse, Japan G.K. 19
#17 Yutaka Koizumi National Institute For Materials Science 16
#18 Keigo Kikuchi Kcm 14
#18 Masakazu Miyata Riso Kagaku 14
#20 Tomonori Aoki Bridgestone 12
#20 Takashi Takeyama Kcm 12
#22 Tomo Shimizu Sekisui Medical Co. 10
#22 Yoshimitsu Nakane Canon 10
#24 Yasunori Miyamoto Hitachi Construction Machinery Co. 8
#24 Nagayuki Takao Hitachi Maxell 8
#26 Takashi Sugata Tcm 7
#27 Shinichi Migita Hitachi Medical 6
#28 Kohei Takubo Sekisui Medical Co. 5
#28 Shigeru Muraki National Institute Of Advanced Industrial Science And Technology 5
#28 Takayuki Shimodaira Hitachi Construction Machinery Co. 5
#28 Katsuyuki Kirita Hitachi Construction Machinery Co. 5
#28 Junichi Kondou Sekisui Medical Co. 5
#28 Kumiko Yuki Sekisui Medical Co. 5
#28 Isamu Fukamachi Sekisui Medical Co. 5
#28 Akira Shimohira Hitachi Construction Machinery Co. 5
#36 Yasuhiro Torizumi Sankyo Holdings Co. 4
#36 Kenkichi Yano Dainippon Ink And Chemicals 4
#36 Kiyoshi Imaizumi Dai Nippon Printing Co. 4
#36 Hidekazu Tsudome Hitachi Plant Technologies 4
#36 Itaru Horiguchi Okamoto Industries 4
#41 Hirohisa Taira Nikon 3
#41 Mutsuo Ohtaka Canon 3
#41 Kyogo Tsushima Okamoto Industries 3
#41 Ikuo Noguchi Riso Kagaku 3
#41 Kazuhiro Meguro Kureha Chemical Industry Co. 3
#41 Yuka Akimoto Toudai Tlo 3
#41 Nobuo Masano Hitachi Construction Machinery Co. 3
#41 Masanao Matsuo Sekisui Medical Co. 3
#41 Yuriko Taniguchi Daiichi Pure Chemicals Co. 3
#41 Masamichi Izumida Seiko Epson 3