Top Inventors in Toyonaka, JP | Patent Leaderboard

Toyonaka, JP ranks #529 worldwide for total patents filed all time, with 6,357 patents from 1,166 inventors. Leading employers of inventors based in Toyonaka, JP include Yuyama Mfg. Co., Sharp Kabushiki Kaisha, Sumitomo Electric Industries.

Showing 1–50 of 1,166 inventors

Rank	Inventor	Primary Company	Patents
1	Shoji Yuyama	Yuyama Mfg. Co.	144
2	Kazuhiro Maeda	Sharp Kabushiki Kaisha	110
3	Hiromichi Ishibashi	Sumitomo Electric Industries	104
#4	Kiyoshi Kawai	Fujitsu Limited	68
#5	Tsutomu Teraji	Sk&F Lab	63
#6	Kenichi Takada	Kanzaki Kokyukoki Mfg. Co.	59
#7	Shinichi Yachigo	Sumitomo Chemical	57
#8	Yoshinobu Ishida	Mitsubishi Electric	56
#9	Masayuki Ueyama	Minolta	54
#10	Kazumi Ogata	Senju Pharmaceutical Co.	48
#11	Takeshi Furusawa	Ibiden Co.	43
#12	Yoshinobu Arai	Ono Pharmaceutical Co.	41
#13	Yoshinori Shirasaki	Ricoh Company	40
#14	Tetsuo Kohno	Minolta Co.	39
#14	Yasuyuki Morita	Sumitomo Electric Industries	39
#16	Kouichi Morita	Sumitomo Chemical	38
#16	Masaaki Matsuo	Fujisawa Pharmaceutical Co.	38
#16	Yasuhiro Nishitani	Fujitsu Limited	38
#19	Isao Kurimoto	Sumitomo Chemical	37
#19	Kiyoshi Nishio	Nippon Pillar Packing Co.	37
#19	Takafumi Imai	Yuyama Mfg. Co.	37
#22	Hiroshi Nose	Seiko Epson	36
#23	Koichi Kugimiya	Sumitomo Electric Industries	35
#24	Yuichi Matsuzaki	Sumitomo Chemical	33
#25	Makoto Sueishi	The Goodyear Tire & Rubber	32
#25	Shinji Terao	Takeda Chemical Industries	32
#25	Mitsuhiro Mitani	Yuyama Mfg. Co.	32
#25	Hiroshi Kuriyama	Seiko Epson	32
#25	Hiroaki Fujimoto	Sumitomo Chemical	32
#30	Nobuyuki Tanaka	Kissei Pharmaceutical Co.	30
#30	Makoto Sunagawa	Sumitomo Pharmaceuticals Company Limited	30
#30	Yasuhide Ohkubo	Ricoh Company	30
#30	Osamu Nishimura	Takeda Chemical Industries	30
#34	Koji Komatsu	Sharp Kabushiki Kaisha	29
#34	Tadao Shimomura	Nippon Shokubai Kagaku Kogyo Co.	29
#34	Susumu Ibaraki	Sumitomo Electric Industries	29
#34	Junki Katsube	Sumitomo Chemical	29
#34	Tomoo Izumi	Minolta Co.	29
#34	Kunimasa Kamio	Sumitomo Chemical	29
#40	Akito Tanaka	Fujisawa Pharmaceutical Co.	28
#40	Kimitoshi Umeda	Sumitomo Chemical	28
#40	Shigeo Koyama	Mita Industrial Co.	28
#43	Yasuhiro Kajihara	Glytech	26
#43	Shigeru Tamai	Seed Co.	26
#45	Satoshi Yokota	Minolta Co.	25
#45	Kazuhiko Sakaguchi	Daiso Co.	25
#45	Hideo Tsutsumi	Fujisawa Pharmaceutical Co.	25
#45	Kozo Kotani	Sumitomo Chemical	25
#49	Shigeru Otsuka	Sumitomo Electric Industries	24
#50	Nobuhiro Haga	Shionogi & Co.	23

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Toyonaka, JP All Time