Sumida, JP All Time

923 patents  ·  136 inventors

Ranked #3,920 of 111,555 cities Top 4%

Showing 1–50 of 136 inventors

Rank Inventor Primary Company Patents
1 Yasuhiro Yamauchi Sanyo Electric Co. 136
2 Satoshi Nagai Mitsubishi Gas Chemical Company 61
3 Masahiro Oka Daikin Industries 55
#4 Takashi Tsutsumi Fuji Electric Fa Components & Systems Co. 53
#5 Tomoaki Sawabe Kabushiki Kaisha Toshiba 40
#6 Kaoru Ohashi Toyota 37
#6 Katsuyuki Totsu — 37
#8 Hiroyuki Takizawa Olympus 34
#9 Morihiro Sudo Daikyo Seiko 32
#10 Yoshikazu Ogura Kao 31
#11 Yukio Noda Kokusai Denshin Denwa Co. 28
#12 Yoshinobu Hayakawa Tokyo Electron Limited 21
#13 Tomoya FUJII Ricoh Company 17
#14 Takekazu Kakinuma Sony 14
#15 Koji Nakanishi Applied Materials 12
#16 Takenobu Yoshiki Mitsubishi Paper Mills Limited 11
#17 Naoyuki Yamazaki Kao 10
#17 Kotaro Ohori Fujitsu Limited 10
#19 Kazuhisa Fukuhara Kao 8
#20 Hiromi Saimiya Kao 7
#20 Kazuhiro Yamaki Kao 7
#22 Yoshihide Asabu Kao 6
#22 Yasuji Tamura Sanden 6
#22 Kazuhiko Sunada Mitsubishi Paper Mills Limited 6
#22 Tomoka Maekawa Kao 6
#22 Hirokazu Fujiki Toshiba 6
#22 Akira Kuragano Kao 6
#28 Nobuo Sudo Daikyo Seiko 5
#28 Kohji Ogawa Mitsubishi Electric 5
#28 Fumio Sawa Kabushiki Kaisha Toshiba 5
#28 Yuichiro Urano Sumida 5
#32 Yuko Kubo Kao 4
#32 Keiichiro Yamazaki Oki Data 4
#32 Yuko Nobuto Kao 4
#32 Makoto Kogoh IBM 4
#32 Masayuki Yabuki Kao 4
#32 Tomoyuki Suzawa Kao 4
#32 Mitsuyoshi Hashimoto Toshiba Silicone Co. 4
#32 Kiyoji Asano Shinsei Kogyo Company 4
#32 Katsutoshi Hara Kao 4
#32 Fumina Abo Kao 4
#32 Yuichi Shimoda Kao 4
#32 Tomoko Konishi Kao 4
#32 Daisuke Sawa Kao 4
#45 Shohei AIKAWA Shionogi & Co. 3
#45 Sayaka Domon Kao 3
#45 Nobuteru Ishizuka Kao 3
#45 Ryo Kusaka Kao 3
#45 Toshio Kasada Mitsubishi Electric 3
#45 Tsuyoshi Koshidaka Daikyo Seiko 3