Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
KL

Kddi R&D Laboratories

Rank (All Time): #28,393 of 106,127Top 30%
55 inventors
21 Patents All Time

Top Inventors at Kddi R&D Laboratories All Time

Showing 1–50 of 55 inventors

RankNamePatents
1 Sei Naito 3
1 Takayuki Warabino 3
1 Tomonobu Yoshino 3
1 Yasuyuki Nakajima 3
#5 Atsushi Koike 2
#5 Daniel J. Blumenthal 2
#5 Daisuke Morikawa 2
#5 Hajime Nakamura 2
#5 Hideaki Iwashita 2
#5 Hiromasa Yanagihara 2
#5 Hsu-Feng Chou 2
#5 John E. Bowers 2
#5 Kazunori Takeuchi 2
#5 Kohsuke Nishimura 2
#5 Masayoshi Ohashi 2
#5 Masaru Sugano 2
#5 Masashi Usami 2
#5 Ryo Inohara 2
#5 Satoshi Konishi 2
#5 Satoshi Miyaji 2
#5 Sei Naitou 2
#5 Shinichi Nomoto 2
#5 Shinji Ota 2
#5 Zhaoyang Hu 2
#25 Atsuo Tachibana 1
#25 Gouichi Ishihara 1
#25 Haruhisa Katou 1
#25 Hiroyasu Ishikawa 1
#25 Hideyuki Shinonaga 1
#25 Kanshiro Kashiki 1
#25 Kazuyuki Tasaka 1
#25 Keizo Sugiyama 1
#25 Koichi Takagi 1
#25 Manabu Isomura 1
#25 Masahiro Wada 1
#25 Naoki Fuke 1
#25 Naoki Imai 1
#25 Ryoichi Kawada 1
#25 Shigehiro Ano 1
#25 Shoji Kaneko 1
#25 Shuuichi Matsumoto 1
#25 Shuichi Matsumoto 1
#25 Shinobu Nanba 1
#25 Shigeyuki Sakazawa 1
#25 Shouichi Yamazaki 1
#25 Shoichi Yamazaki 1
#25 Takashi Fujimoto 1
#25 Tadayuki Fukuhara 1
#25 Toru Hasegawa 1
#25 Tomohiro Tsuji 1