Top Inventors in Sumida, JP | Patent Leaderboard

Sumida, JP ranks #3,251 worldwide for total patents filed all time, with 930 patents from 136 inventors. Leading employers of inventors based in Sumida, JP include Sanyo Electric Co., Mitsubishi Gas Chemical Company, Daikin Industries.

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	41
#6	Kaoru Ohashi	Toyota	38
#7	Katsuyuki Totsu	—	37
#8	Hiroyuki Takizawa	Olympus	35
#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	22
#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
#16	Kotaro Ohori	Fujitsu Limited	11
#18	Naoyuki Yamazaki	Kao	10
#19	Kazuhisa Fukuhara	Kao	8
#20	Hiromi Saimiya	Kao	7
#20	Kazuhiro Yamaki	Kao	7
#22	Akira Kuragano	Kao	6
#22	Kazuhiko Sunada	Mitsubishi Paper Mills Limited	6
#22	Yoshihide Asabu	Kao	6
#22	Tomoka Maekawa	Kao	6
#22	Hirokazu Fujiki	Toshiba	6
#22	Nobuo Sudo	Daikyo Seiko	6
#22	Yasuji Tamura	Sanden	6
#29	Fumio Sawa	Kabushiki Kaisha Toshiba	5
#29	Yuichiro Urano	Sumida	5
#29	Masayuki Yabuki	Kao	5
#29	Kohji Ogawa	Mitsubishi Electric	5
#33	Tomoko Konishi	Kao	4
#33	Yuko Kubo	Kao	4
#33	Katsutoshi Hara	Kao	4
#33	Makoto Kogoh	IBM	4
#33	Mitsuyoshi Hashimoto	Toshiba Silicone Co.	4
#33	Kiyoji Asano	Shinsei Kogyo Company	4
#33	Yuichi Shimoda	Kao	4
#33	Tomoyuki Suzawa	Kao	4
#33	Yuko Nobuto	Kao	4
#33	Keiichiro Yamazaki	Oki Data	4
#33	Daisuke Sawa	Kao	4
#33	Fumina Abo	Kao	4
#45	Mikiho Kiuchi	Nippon Electric Co.	3
#45	Tomomi Ishii	Kao	3
#45	Tsuyoshi Koshidaka	Daikyo Seiko	3
#45	Yasuhiro Shidahara	Kao	3
#45	Yoshio Watabe	Sanyo Electric Co.	3
#45	Yoshio Utsugi	Fujitsu Limited	3

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Sumida, JP All Time