Toyonaka, JP All Time

6,334 patents  ·  1,166 inventors

Ranked #847 of 111,555 cities Top 1%

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 Yasuyuki Morita Sumitomo Electric Industries 39
#14 Tetsuo Kohno Minolta Co. 39
#16 Kouichi Morita Sumitomo Chemical 38
#16 Yasuhiro Nishitani Fujitsu Limited 38
#16 Masaaki Matsuo Fujisawa Pharmaceutical Co. 38
#19 Isao Kurimoto Sumitomo Chemical 37
#19 Takafumi Imai Yuyama Mfg. Co. 37
#19 Kiyoshi Nishio Nippon Pillar Packing Co. 37
#22 Hiroshi Nose Seiko Epson 36
#23 Koichi Kugimiya Sumitomo Electric Industries 35
#24 Makoto Sueishi The Goodyear Tire & Rubber 32
#24 Hiroaki Fujimoto Sumitomo Chemical 32
#24 Yuichi Matsuzaki Sumitomo Chemical 32
#24 Hiroshi Kuriyama Seiko Epson 32
#24 Shinji Terao Takeda Chemical Industries 32
#29 Mitsuhiro Mitani Yuyama Mfg. Co. 31
#30 Nobuyuki Tanaka Kissei Pharmaceutical Co. 30
#30 Yasuhide Ohkubo Ricoh Company 30
#30 Makoto Sunagawa Sumitomo Pharmaceuticals Company Limited 30
#30 Osamu Nishimura Takeda Chemical Industries 30
#34 Tomoo Izumi Minolta Co. 29
#34 Susumu Ibaraki Sumitomo Electric Industries 29
#34 Kunimasa Kamio Sumitomo Chemical 29
#34 Koji Komatsu Sharp Kabushiki Kaisha 29
#34 Junki Katsube Sumitomo Chemical 29
#34 Tadao Shimomura Nippon Shokubai Kagaku Kogyo Co. 29
#40 Kimitoshi Umeda Sumitomo Chemical 28
#40 Shigeo Koyama Mita Industrial Co. 28
#40 Akito Tanaka Fujisawa Pharmaceutical Co. 28
#43 Yasuhiro Kajihara Glytech 26
#43 Shigeru Tamai Seed Co. 26
#45 Satoshi Yokota Minolta Co. 25
#45 Kozo Kotani Sumitomo Chemical 25
#45 Kazuhiko Sakaguchi Daiso Co. 25
#45 Hideo Tsutsumi Fujisawa Pharmaceutical Co. 25
#49 Shigeru Otsuka Sumitomo Electric Industries 24
#50 Nobuhiro Haga Shionogi & Co. 23