Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Hitachi Tohbu Semiconductor — 108 Patents

Rank (All Time): #6,654 of 106,120Top 7%
223 inventors
108 Patents All Time

Top Inventors at Hitachi Tohbu Semiconductor All Time

Showing 1–50 of 223 inventors

RankNamePatents
1 Toshio Sugano 17
2 Tetsuaki Adachi 15
3 Seiichiro Tsukui 14
#4 Yasuhiro Nunogawa 13
#5 Toshiyuki Hata 12
#6 Hiroshi Inagawa 10
#6 Kentaro Oishi 10
#6 Nobuo Machida 10
#6 Yasushi Takahashi 10
#10 Sugano Toshio 9
#10 Toshinori Hirashima 9
#12 Hiroshi Sato 8
#12 Kazuya Takahashi 8
#12 Keiichi Ookawa 8
#12 Masahiro Koizumi 8
#12 Munehisa Kishimoto 8
#12 Ryoichi Kajiwara 8
#12 Shigeru Ishii 8
#12 Toshiaki Morita 8
#20 Hitoshi Akamine 7
#20 Hiroki Nakajima 7
#22 Kiichi Yamashita 6
#22 Ono Takashi 6
#22 Tsukui Seiichiro 6
#22 Watanabe Masayuki 6
#22 Wakashima Yoshiaki 6
#27 Atsushi Nakamura 5
#27 Atsushi Sasayama 5
#27 Eiichi Hase 5
#27 Ichio Shimizu 5
#27 Iwamichi Kohjiro 5
#27 Kenji Sekine 5
#27 Kensuke Tsuneda 5
#27 Masatoshi Morikawa 5
#27 Masayuki Watanabe 5
#27 Osamu Kagaya 5
#27 Sakae Kikuchi 5
#27 Shizuo Kondo 5
#27 Shigeru Suzuki 5
#27 Tsuyoshi Shibuya 5
#27 Yoshiaki Wakashima 5
#42 Atsushi Nishikizawa 4
#42 Eiki Imaizumi 4
#42 Haruo Kugimiya 4
#42 Jyunichi Tsuchiya 4
#42 Katsunori Hayashi 4
#42 Kenichi Onda 4
#42 Kunio Aiki 4
#42 Kuniharu Muto 4
#42 Kunihiko Nishi 4