Top Inventors in Koka, JP | Patent Leaderboard

Koka, JP ranks #3,003 worldwide for total patents filed all time, with 1,012 patents from 142 inventors. Leading employers of inventors based in Koka, JP include Ricoh Company, Mitsubishi Electric, Panasonic.

Showing 1–50 of 142 inventors

Rank	Inventor	Primary Company	Patents
1	Masahiro Itoh	Ricoh Company	94
2	Hiroki Honda	Mitsubishi Electric	60
3	Masaaki Nakamura	Panasonic	50
#4	Masaaki Yamauchi	Sumitomo Electric Industries	35
#4	Ryosuke Harada	Tanaka Kikinzoku Kogyo K.K.	35
#6	Kazushige Mori	Hitachi Construction Machinery Tierra Co.	32
#7	Daisuke Fukushima	Sumitomo Chemical	27
#7	Kazuo Murata	Yuasa Battery Co.	27
#9	Takashi Higuchi	Fujitsu Ten Limited	26
#10	Yoshifumi Takebayashi	Hitachi Construction Machinery Tierra Co.	25
#10	Kousuke Miura	Sumitomo Electric Printed Circuits	25
#12	Yuji Hatanaka	Hitachi	24
#13	Sota Okamoto	Pioneer Electronic	22
#14	Natsuki Nakamura	Hitachi Construction Machinery Tierra Co.	21
#15	Akira Fujioka	Sumitomo Chemical	16
#15	Michio Masuko	Shionogi & Co.	16
#17	Kazuo Watada	Kyocera	15
#17	Akira Okuno	Schott Japan	15
#17	Susumu Nishiwaki	Toshiba	15
#20	Tokihiro Yoshikawa	Nec Schott Components	14
#20	Shinji Suzuki	Shionogi & Co.	14
#22	Masayuki Yunoue	Hitachi Construction Machinery Tierra Co.	13
#22	Kohei Maeda	Canon	13
#22	Norihiko Tanimoto	Shionogi & Co.	13
#25	Makoto Motozu	Hitachi Construction Machinery Co.	12
#25	Tatsuo Takishita	Hitachi Construction Machinery Tierra Co.	12
#25	Jiro Miyai	Sekisui Chemical Co.	12
#28	Taihei Maehara	Hitachi Construction Machinery Tierra Co.	11
#29	Seiichi Kihara	Hitachi Construction Machinery Tierra Co.	10
#29	Seiji Kanbara	Imagineering	10
#29	Yuuki Umizaki	Hitachi Construction Machinery Co.	10
#32	Kengo Yoshida	Sumitomo Electric Industries	9
#32	Hisashi Shiraiwa	Otsuka Electronics Co.	9
#32	Fumitoshi Yasuo	Sharp Kabushiki Kaisha	9
#35	Satoshi KIYA	Sumitomo Electric Printed Circuits	8
#35	Toshinori Yamasue	Omron	8
#37	Shuji Hahakura	Sumitomo Electric Industries	7
#37	Junichi MOTOMURA	Sumitomo Electric Industries	7
#37	Mitsuo Kobachi	Sharp Kabushiki Kaisha	7
#40	Soshi Watanabe	Agc	6
#40	Weijiang Zhao	Nissin Ion Equipment Co.	6
#40	Chikao Shimizu	Sekisui Chemical Co.	6
#40	Junichi Okaue	Sumitomo Electric Industries	6
#40	Fumitaka Ishimori	Sekisui Plastics Co.	6
#40	Yohei Otani	Yamaha	6
#46	Osamu Kokuryou	Hitachi Construction Machinery Co.	5
#46	Takayuki TSUMAGARI	Autonetworks Technologies	5
#46	Tadahiro Kaibuki	Sumitomo Electric Printed Circuits	5
#46	Takaya Nakabayashi	Sharp Kabushiki Kaisha	5
#46	Yuya HIRAI	Nissin Ion Equipment Co.	5

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Koka, JP All Time