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

Akiko Takeuchi — 5 Patents

Nec: 3 patents #4,195 of 14,502Top 30%
TLTeijin Limited: 2 patents #572 of 1,631Top 40%
MFMicrobial Chemistry Research Foundation: 1 patents #39 of 110Top 40%
Overall (All Time): #1,034,680 of 4,157,543Top 25%
5 Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
D518461 Portable wireless telephone Jun Watanabe, Hiromu Kitamura 2006-04-04
D509500 Portable wireless telephone Jun Watanabe, Hiromu Kitamura, Jin Kuramoto, Kazuhiko Yamaoka 2005-09-13
D507556 Portable wireless telephone Jun Watanabe, Hiromu Kitamura, Jin Kuramoto, Kazuhiko Yamaoka 2005-07-19
6589984 Benzofurylpyrone derivatives Yoshimitsu Naniwa, Hiroshi Imai, Tomohide Ida, Emiko Muratani, Kazuo Kitai +6 more 2003-07-08
5851983 Elastase inhibitory polypeptide and process for production thereof by recombinant gene technology Takashi Sugiyama, Takashi Kamimura, Kenichi Masuda, Masahiro Okada, Eiko Ohtsuka +4 more 1998-12-22