KH

Kuniaki Hirayama

HI Hitachi: 7 patents #5,859 of 28,497Top 25%
📍 Hitachinaka, JP: #688 of 2,447 inventorsTop 30%
Overall (All Time): #760,956 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6195499 Magnetic recording and/or reproducing apparatus Nobutaka Amada, Hiroo Okamoto, Hideo Nishijima, Hideo Zama 2001-02-27
6108165 Rotary drum equipment and recording/reproducing equipment using the same Hideki Maruyama, Kenmei Masuda, Yoshio Uemura, Toshihiko Imachi, Kenkichi Inada +1 more 2000-08-22
5978185 Rotary head and recording/reading apparatus provided with rotary head Fukuyasu Abe, Kenmei Masuda, Shinya Fujimori, Hidekazu Takeda, Atsushi Inoue +4 more 1999-11-02
5734537 Tape guide structure of rotary head drum in recording/reproduction apparatus and method of machining the same Seiji Ono, Kenmei Masuda, Hidekazu Takeda, Atsushi Inoue, Nobuo Masuoka +3 more 1998-03-31
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
4882833 Method and apparatus for mounting coils inside a hollow cylindrical article Hiromichi Hiramatsu, Hitoshi Odashima, Toshio Ohji 1989-11-28