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

Koo Honjo

HIHitachi: 3 patents #10,712 of 28,497Top 40%
Ibaraki, JP: #2,661 of 6,779 inventorsTop 40%
Overall (All Time): #1,642,610 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5606300 Superconducting magnet superconducting magnet coil, and manufacturing method thereof Toru Koyama, Masao Suzuki, Yasuhiro Mizuno, Morimichi Umino, Shigeo Amagi +1 more 1997-02-25
5538942 Method for producing a superconducting magnet coil Toru Koyama, Masao Suzuki, Akio Takahashi, Akio Mukoh, Keiji Fukushi +1 more 1996-07-23
5384197 Superconducting magnet coil and curable resin composition used therein Toru Koyama, Masao Suzuki, Akio Takahashi, Akio Mukoh, Keiji Fukushi +1 more 1995-01-24