Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
AC

Ace Denken Co. — 103 Patents

Rank (All Time): #6,972 of 106,120Top 7%
66 inventors
103 Patents All Time

Top Inventors at Ace Denken Co. All Time

Showing 1–50 of 66 inventors

RankNamePatents
1 Takatoshi Takemoto 97
2 Kazunari Kawashima 40
3 Hideyuki Kadomatsu 10
3 Noriaki Kano 10
#5 Shigeru Handa 9
#6 Eiji Ito 8
#7 Masayuki Tsurumi 7
#8 Koji Murakami 6
#8 Koichi Tsubota 6
#8 Toshikazu Chida 6
#8 Yoshihide Kurihara 6
#12 Meiji Muramatsu 5
#12 Moriyuki Aoyama 5
#14 Kozo Sekimoto 4
#14 Masanori Suzuki 4
#16 Eizi Ito 3
#16 Eiji Ogura 3
#16 Etsurou Sasaki 3
#16 Hisashi Takahashi 3
#16 Jun Furudate 3
#16 Takemoto Takatoshi 3
#16 Tomiyasu Sasaki 3
#16 Yoshiharu Abe 3
#16 Yoshio Ito 3
#25 Etsuro Sasaki 2
#25 Hiroyasu Obara 2
#25 Kawashima Kazunari 2
#25 Keizo Kasahara 2
#25 Koshiro Nakai 2
#25 Koji Yanagisawa 2
#25 Masao Minagawa 2
#25 Mitsuhiro Tada 2
#25 Motohiro Sugawara 2
#25 Taizo Higaki 2
#25 Takasi Itagaki 2
#25 Takashi Itagaki 2
#25 Takaharu Nakamura 2
#25 Tosikazu Chida 2
#25 Toshitaka Ihara 2
#25 Tsutomu Onodera 2
#25 Yoichi Yoneda 2
#42 Yukio Manzaki 1
#42 Kozo Sedimoto 1
#42 Kadomatsu Hideyuki 1
#42 Hamazato Ryouji 1
#42 Hiroshi Hirano 1
#42 Hiroshi Saito 1
#42 Hiroyuki Yatsu 1
#42 Katsuhiro Naito 1
#42 Kazuo Tohge 1