KH

Kuniaki Hirayama

HI Hitachi: 2 patents #339 of 2,942Top 15%
📍 Hitachinaka, JP: #23 of 230 inventorsTop 10%
Overall (1997): #32,643 of 185,788Top 20%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5661622 Rotary magnetic head cylinder device for reduced vibration and proper head/type alignment Masanori Kochi, Akihiro Nakajima, Yoshio Uemura, Toshihiko Imachi, Eijiro Tazawa +1 more 1997-08-26
5637945 Brushless motor Kiyoshi Yamamuro, Hisahiro Miki 1997-06-10