Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Hioki, JP ranks #11,891 worldwide for total patents filed all time, with 154 patents from 44 inventors. Leading employers of inventors based in Hioki, JP include Konica, Sharp Kabushiki Kaisha, Hitachi.

Showing 1–44 of 44 inventors

Rank Inventor Primary Company Patents
1 Isao Endo Konica 55
2 Shinichi Tani Sharp Kabushiki Kaisha 8
3 Yuji Ochiai Hitachi 7
#4 Takeshi Sambayashi Kabushiki Kaisha Toshiba 6
#4 Toshio Maehara Subaru 6
#4 Nobuyuki Ozawa Kabushiki Kaisha Pilot 6
#7 Yasuhiro Oono Sanyo Electric Co. 4
#7 Yoshiki Niki Murata Manufacturing Co. 4
#7 Sadao Kondo Sanyo Electric Co. 4
#7 Hirofumi Miura Asahi Kasei Kabushiki Kaisha 4
#11 Kazuhiro Fukamachi Subaru 3
#11 Haruyuki Kaeriyama Sanyo Electric Co. 3
#11 Masataka Harada Hitachi 3
#11 Akihiko Sakazaki Subaru 3
#15 Chong Chu Sato Pharmaceutical Co. 2
#15 Mitsuhiro Hashiguchi Elm 2
#15 Toshio Yabe Advantest 2
#15 Saiichiro Ohshita Subaru 2
#15 Kouji Fujitani Sanyo Electric Co. 2
#15 Yasuyo Iwabuchi Toshiba Silicone Co. 2
#15 Kazuyoshi Suwa Sanyo Electric Co. 2
#15 Toshiaki Narukawa Seiko Instruments R & D Center 2
#23 Chiyuki Simizu Toshiba Silicone Co. 1
#23 Yoshiharu Takano Subaru 1
#23 Kazuo Niijima Mitsuba Electric Manufacturing Co. 1
#23 Kiyoshi Naruse Cca 1
#23 Yuichi Nishiya Subaru 1
#23 Mariko Tanaka Hitachi 1
#23 Kunihiro Okamoto Toyota 1
#23 Kunie Doi Fujitsu Limited 1
#23 Ryuji Nagae Ngk Spark Plug Co. 1
#23 Takaaki Maida 1
#23 Tatsuo Kawabuchi Namco 1
#23 Kentaro Suwa Nof 1
#23 Kazuyoshi Kakinuma Fujitsu Limited 1
#23 Hiroyuki Nakahata Fujitsu Limited 1
#23 Tazuki Yoneda Ricoh Company 1
#23 Kazuo Katsuno Subaru 1
#23 Shigeo Ootani Sanyo Electric Co. 1
#23 Sadao Kondou Sanyo Electric Co. 1
#23 Hiroaki Mannen Sanyo Electric Co. 1
#23 Takeshi Tachimori Subaru 1
#23 Hiroshi Tsukagoshi Subaru 1
#23 Teruo Houshi Sanyo Electric Co. 1