Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Tendo, JP ranks #8,131 worldwide for total patents filed all time, with 270 patents from 62 inventors. Leading employers of inventors based in Tendo, JP include Idemitsu Kosan Co., Panasonic, Olympus Optical Co..

Showing 1–50 of 62 inventors

Rank Inventor Primary Company Patents
1 Satoshi Hachiya Idemitsu Kosan Co. 49
2 Takahiro Kudo Panasonic 43
3 Katsuya Ono Olympus Optical Co. 30
#4 Shintaro Niidera Pioneer 17
#5 Minoru Horigome Pioneer 15
#6 Koichi Seno Mitsumi Electric Co. 11
#7 Tetsuro Endo Pioneer Electronic 10
#8 Kazuhito Takemura Honda Motor Co. 7
#9 Akihito Fujiwara 5
#10 Tetsuya Onuma Pioneer 4
#10 Takeru Miki Pioneer 4
#12 Takeshi Kaiwa Pioneer 3
#12 Shun Shirahata Pioneer 3
#12 Masato Tsuruya Pioneer 3
#12 Toshiya Kosaka Pioneer 3
#12 Akihiko Furuto Pioneer 3
#17 Tetsuro Endoh Kabushiki Kaisha Toshiba 2
#17 Hiroya Oizumi Pioneer 2
#17 Tomokazu Nitta Pioneer 2
#17 Eitaro Unno Pioneer 2
#17 Yasumi Umetsu Pioneer 2
#17 Kanji Matsuda Enax 2
#17 Hiroyuki Umetsu Ig-Technical Research 2
#17 Takuei Nagasawa Pioneer 2
#17 Sinsuke Konuma Pioneer 2
#17 Norikazu Tada Pioneer 2
#17 Mitsugu Hirata Mitsumi Electric Co. 2
#17 Shoichi Toyoda Pioneer 2
#17 Junpei Arai Juki 2
#17 Toshihiro Tanno Pioneer Electronic 2
#31 Shoji Matsuyama Toyota 1
#31 Takiguchi Shigeyuki 3M 1
#31 Kichizo Maeno Toyota 1
#31 Toru Yoshiizumi Chino 1
#31 Michiro Matsuda Pioneer 1
#31 Takehiro Murata Yamamoto Seisakusho Co. 1
#31 Tsuneyoshi Goto Yamamoto Seisakusho Co. 1
#31 Masumi Kawagoe Mitsumi Electric Co. 1
#31 Akiko Handa Fujitsu Limited 1
#31 Hidetoshi Abe Date 3M 1
#31 Yoshiichi Tokairin Casio Computer Co. 1
#31 Kazuyuki Kinai Pioneer 1
#31 Kawori Kishi Pioneer 1
#31 Youichi Komamura Fujitsu Limited 1
#31 Shujun Shikano 1
#31 Choshiro Iida 3M 1
#31 Hirota Kudo Toyota 1
#31 Yoshihto Otomo Mitsumi Electric Co. 1
#31 Yasuaki Ogasawara Pioneer 1
#31 Takaji Nakata Hisaka Works 1