Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Chigasaki, JP ranks #1,070 worldwide for total patents filed in 2021, with 136 patents from 89 inventors. Leading employers of inventors based in Chigasaki, JP include Toshiba Tec Kabushiki Kaisha, Mitsubishi Electric, Hamamatsu Photonics K.K..

Showing 1–50 of 89 inventors

Rank Inventor Primary Company Patents
1 Kazuhiro Ogura Toshiba Tec Kabushiki Kaisha 7
1 Hiroyuki Kono Mitsubishi Electric 7
3 Keisuke Goto Hamamatsu Photonics K.K. 6
#4 Sasuke Endo Toshiba Tec Kabushiki Kaisha 5
#4 Kenichi Kawabata Tdk 5
#6 Masaichi Takahashi Isuzu Motors Limited 4
#6 Fumiya Watanabe Kioxia 4
#8 Wasantha Oshita Isuzu Motors Limited 3
#8 Noriko Tanaka Sumitomo Electric Industries 3
#10 Toshiya Uozumi Toho Titanium Co. 2
#10 Naoto Akimoto Canon 2
#10 Rui Ito Kabushiki Kaisha Toshiba 2
#10 Toshiya Abe Ichikoh Industries 2
#10 Takeyuki Tanaka Mazda Motor 2
#10 Junji Shiokawa Hitachi 2
#10 Yoshikyo Tamekuni Sumitomo Electric Industries 2
#10 Shigeki Takeshima Nippon Oil 2
#10 Yukako MURAKAMI Kabushiki Kaisha Toshiba 2
#10 Naotoshi Matsuda Kabushiki Kaisha Toshiba 2
#10 Osamu Yonishi Canon 2
#10 Yoshihiko KURUI Kabushiki Kaisha Toshiba 2
#22 Hirohisa Takahashi Honda Motor Co. 1
#22 Yasumasa Ooya Kabushiki Kaisha Toshiba 1
#22 Jiro Shirakata Canon 1
#22 Shohei Shiraishi Daiichi Sankyo Company, Limited 1
#22 Takahiro Kokubo Kabushiki Kaisha Toshiba 1
#22 Tomomi Setoguchi Konica Minolta 1
#22 Satoshi Yashiki Panasonic 1
#22 Nobuo Shimma Chugai Pharmaceutical 1
#22 Takumi Komiya Ulvac 1
#22 Takaaki Terui Ulvac 1
#22 Jirou Endo Ulvac 1
#22 Chika Uzawa Toho Titanium Co. 1
#22 Yukie Nagai Mitsui Sugar Co. 1
#22 Sayano Aga Toshiba Memory 1
#22 Masatoshi YAMAHATA Hitachi Astemo 1
#22 Toshihiro Terasawa Ulvac 1
#22 Takayoshi Hirono Ulvac 1
#22 Eijiro Umemura Meiji Seika Kaisha 1
#22 Tetsuhiro Ohno Ulvac 1
#22 Atsushi Umino Showa Denko K.K. 1
#22 Kazuya Takada Kabushiki Kaisha Toshiba 1
#22 Shinta Marui Toho Titanium Co. 1
#22 Yoshiki Kawamura Engineering System Co. 1
#22 Satoru Kumagai Nikon 1
#22 Tomoko Kittaka Ulvac 1
#22 Akihiro Asada Hitachi 1
#22 Takuya Kunitomo Hitachi Industrial Equipment Systems Co. 1
#22 Toshiharu Ooe Toto 1
#22 Shanying Pan Kabushiki Kaisha Toshiba 1