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

Electric Power Development Co. — 44 Patents

Rank (All Time): #14,680 of 106,120Top 15%
132 inventors
44 Patents All Time

Top Inventors at Electric Power Development Co. All Time

Showing 1–50 of 132 inventors

RankNamePatents
1 Yasuyuki Nakabayashi 9
2 Toshihiko Yamada 8
3 Keiichi Komai 7
3 Michio Kurihara 7
3 Takao Kamei 7
3 Terutoshi Uchida 7
3 Yoshio Matsuura 7
#8 Akira Nakamura 6
#8 Shuzo Watanabe 6
#10 Shuuhei Terushita 5
#11 Shoichi Takao 4
#11 Shuhei Tatsumi 4
#11 Takeshi Wakabayashi 4
#14 Etsuo Nitta 3
#14 Hayami Ito 3
#14 Hiroki Ito 3
#14 Kazuhiko Nakaoji 3
#14 Kenji Kamei 3
#14 Masayuki Hatano 3
#14 Mitsugu Kamao 3
#14 Naoaki Takeji 3
#14 Suenobu Hamano 3
#14 Takashi Moriyama 3
#14 Yoshinori Koyama 3
#25 Akira Simotamari 2
#25 Hayami Itoh 2
#25 Hideaki Ito 2
#25 Izumi Matsuno 2
#25 Kaoru Aoki 2
#25 Kazuhiko Arai 2
#25 Katsuhiko Yokohama 2
#25 Kihei Katsuta 2
#25 Koji Yamaji 2
#25 Kunizo Shinano 2
#25 Mitsufumi Matsumoto 2
#25 Nitaro Suzuki 2
#25 Takashi Kuwabara 2
#25 Takayuki Ogawa 2
#25 Takeshi Sasakawa 2
#25 Takashi Watanabe 2
#25 Toshinori Yasutomi 2
#25 Yasunari Shibata 2
#25 Yoshiyuki Matsuno 2
#44 Junichi Iritani 1
#44 Akira Toriyama 1
#44 Byungdug Jun 1
#44 Chiaki Nagai 1
#44 Eung Nam Kim 1
#44 Fumihito Kasagi 1
#44 Fuminobu Ono 1