Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Hitachi — 44,478 Patents

Rank (All Time): #13 of 106,127Top 1%
28,566 inventors
44,478 Patents All Time

Top Inventors at Hitachi All Time

Showing 3,951–4,000 of 28,566 inventors

RankNamePatents
#3813 Masato Horita 11
#3813 Masakazu Ichikawa 11
#3813 Masahito Ijuin 11
#3813 Masumi Imai 11
#3813 Masamitsu Inaba 11
#3813 Makoto Ishii 11
#3813 Masaaki Itoh 11
#3813 Masakiyo Izumiya 11
#3813 Masafumi Kaga 11
#3813 Masuo Kasai 11
#3813 Makoto Koizumi 11
#3813 Masahiro Koizumi 11
#3813 Masanori Kubota 11
#3813 Masatoshi Morikawa 11
#3813 Masato Nakamura 11
#3813 Masahito Oh-e 11
#3813 Masakazu Okada 11
#3813 Mamoru Okano 11
#3813 Masao Okayama 11
#3813 Masahiro Ono 11
#3813 Masanori Sakai 11
#3813 Masakatsu Sakamoto 11
#3813 Masahiro Sasaki 11
#3813 Mamoru Sawahata 11
#3813 Masafumi Suzaki 11
#3813 Masaru Suzuki 11
#3813 Masatoshi Takada 11
#3813 Masakazu Takasumi 11
#3813 Masatoshi Takihiro 11
#3813 Masahito Togami 11
#3813 Masanao Tsuboki 11
#3813 Masaya Watanabe 11
#3813 Masashi Watanabe 11
#3813 Masahiro Yoshioka 11
#3813 Mitsuaki Haneda 11
#3813 Mitsuo Hayashibara 11
#3813 Mitsuru Hirao 11
#3813 Mitsutoshi Honda 11
#3813 Michiharu Honda 11
#3813 Michimasa Horiuchi 11
#3813 Midori Kato 11
#3813 Minoru Maeda 11
#3813 Michiaki Nakayama 11
#3813 Mitsuru Ohnuma 11
#3813 Mitsuru Onoda 11
#3813 Mitsuyoshi Shouji 11
#3813 Mitsuhiro Sugiyama 11
#3813 Mitsuru Ura 11
#3813 Motoaki Satoyama 11
#3813 Motonobu Tonomura 11