Top Inventors in Yokohama, JP | Patent Leaderboard

Yokohama, JP ranks #1,752 worldwide for total patents filed all time, with 1,896 patents from 31 inventors. Leading employers of inventors based in Yokohama, JP include Ricoh Company, Kabushiki Kaisha Toshiba, Sony.

Showing 1–31 of 31 inventors

Rank	Inventor	Primary Company	Patents
1	Hiroshi Takahashi	Ricoh Company	723
2	Yoshihiro Yamaguchi	Kabushiki Kaisha Toshiba	257
3	Naoki Yasuda	Kabushiki Kaisha Toshiba	109
#4	Haruo Oba	Sony	105
#5	Masayuki Ono	Panasonic	77
#6	Shuichi Obayashi	Kabushiki Kaisha Toshiba	58
#7	Akira Tomita	Raychem Limited	54
#8	Takayuki Iida	Fujifilm	50
#9	Xiaofeng Han	Ricoh Company	44
#10	Yasuro Shobatake	Kabushiki Kaisha Toshiba	38
#11	Junichi Kanai	Sony	35
#11	Bo Liu	—	35
#13	Hiroaki Hyuga	Fujitsu Limited	32
#14	Shin Maki	Terumo Kabushiki Kaisha	27
#15	Yoichi Ueda	Sony	26
#15	Qiwei He	Henkel Ag & Co. Kgaa	26
#17	Shogo Hyakutake	Ricoh Company	24
#18	Kensaku Fujimoto	Kabushiki Kaisha Toshiba	22
#18	Kaoru Maeda	Ricoh Company	22
#20	Hisashi Ishijima	Ricoh Company	20
#21	Shigeyuki Kazama	Sony	15
#21	Nobuo Asano	Sumitomo Electric Industries	15
#23	Ken Aoki	Sony	13
#23	Wataru Karino	Terumo Kabushiki Kaisha	13
#25	Hideyuki Igawa	Takeda Pharmaceutical Company Limited	12
#26	Koichiro Sagawa	Ajinomoto Co.	10
#27	Masahiro Moriya	Sumitomo Electric Industries	8
#27	Xiao Ling	Fujifilm	8
#29	Yuichi Takamiya	Ricoh Company	7
#30	Motoyuki Koike	Sony	6
#31	Yuuki Ohtaka	Ricoh Company	5

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Yokohama, JP All Time