Koka, JP All Time

998 patents  ·  142 inventors

Ranked #3,696 of 111,555 cities Top 4%

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 Ryosuke Harada Tanaka Kikinzoku Kogyo K.K. 35
#5 Masaaki Yamauchi Sumitomo Electric Industries 34
#6 Kazushige Mori Hitachi Construction Machinery Tierra Co. 31
#7 Kazuo Murata Yuasa Battery Co. 27
#8 Takashi Higuchi Fujitsu Ten Limited 26
#9 Daisuke Fukushima Sumitomo Chemical 25
#9 Yoshifumi Takebayashi Hitachi Construction Machinery Tierra Co. 25
#11 Kousuke Miura Sumitomo Electric Printed Circuits 24
#12 Yuji Hatanaka Hitachi 23
#13 Sota Okamoto Pioneer Electronic 22
#14 Natsuki Nakamura Hitachi Construction Machinery Tierra Co. 21
#15 Michio Masuko Shionogi & Co. 16
#16 Akira Fujioka Sumitomo Chemical 15
#16 Akira Okuno Schott Japan 15
#16 Susumu Nishiwaki Toshiba 15
#16 Kazuo Watada Kyocera 15
#20 Shinji Suzuki Shionogi & Co. 14
#21 Norihiko Tanimoto Shionogi & Co. 13
#21 Masayuki Yunoue Hitachi Construction Machinery Tierra Co. 13
#21 Kohei Maeda Canon 13
#24 Makoto Motozu Hitachi Construction Machinery Co. 12
#24 Jiro Miyai Sekisui Chemical Co. 12
#24 Tatsuo Takishita Hitachi Construction Machinery Tierra Co. 12
#27 Tokihiro Yoshikawa Nec Schott Components 11
#27 Taihei Maehara Hitachi Construction Machinery Tierra Co. 11
#29 Seiichi Kihara Hitachi Construction Machinery Tierra Co. 10
#29 Yuuki Umizaki Hitachi Construction Machinery Co. 10
#29 Seiji Kanbara Imagineering 10
#32 Hisashi Shiraiwa Otsuka Electronics Co. 9
#33 Fumitoshi Yasuo Sharp Kabushiki Kaisha 8
#33 Satoshi KIYA Sumitomo Electric Printed Circuits 8
#33 Kengo Yoshida Sumitomo Electric Industries 8
#33 Toshinori Yamasue Omron 8
#37 Junichi MOTOMURA Sumitomo Electric Industries 7
#37 Mitsuo Kobachi Sharp Kabushiki Kaisha 7
#37 Shuji Hahakura Sumitomo Electric Industries 7
#40 Chikao Shimizu Sekisui Chemical Co. 6
#40 Fumitaka Ishimori Sekisui Plastics Co. 6
#40 Junichi Okaue Sumitomo Electric Industries 6
#40 Soshi Watanabe Agc 6
#40 Weijiang Zhao Nissin Ion Equipment Co. 6
#45 Tadahiro Kaibuki Sumitomo Electric Printed Circuits 5
#45 Takaya Nakabayashi Sharp Kabushiki Kaisha 5
#45 Osamu Kokuryou Hitachi Construction Machinery Co. 5
#45 Yuya HIRAI Nissin Ion Equipment Co. 5
#45 Yohei Otani Yamaha 5
#45 Tadashi Marumoto Sekisui Chemical Co. 5