JN

Junichi Nagaoka

Tdk: 7 patents #849 of 3,796Top 25%
TC Tomy Company: 2 patents #85 of 226Top 40%
TC Takara Co.: 1 patents #53 of 93Top 60%
TC Tokyo Unique Co.: 1 patents #2 of 2Top 100%
Overall (All Time): #479,209 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
12243668 Ferrite sintered magnet, ferrite particles, bonded magnet, and rotating electrical machine Masashi Ohmura, Shogo Muroya, Takuma Abe, Jo SATO 2025-03-04
9336933 Ferrite magnetic material Takahiro Mori, Hiroyuki Morita, Yoshihiko Minachi 2016-05-10
9272955 Ferrite magnetic material Takahiro Mori, Hiroyuki Morita, Yoshihiko Minachi 2016-03-01
8834738 Ferrite magnetic material Takahiro Mori, Hiroyuki Morita, Yoshihiko Minachi 2014-09-16
7803030 Toy vehicle, toy assembly device and method for assembling toy 2010-09-28
7713433 Ferrite magnetic material and ferrite sintered magnet Yoshihiko Minachi, Noboru Ito, Shunsuke Kurasawa, Taku Murase 2010-05-11
D591364 Toy vehicle 2009-04-28
7481947 Ferrite magnetic material and ferrite sintered magnet Yoshihiko Minachi, Shunsuke Kurasawa, Noboru Ito, Taku Murase, Takeshi Masuda +2 more 2009-01-27
7425280 Ferrite magnetic material and process for producing the same Shigeki Yanagida, Kunio Ohno, Syunsuke Kurasawa, Yoshihiko Minachi 2008-09-16
4710148 Toy vehicle assembly with multiple drive units 1987-12-01