AN

Akira Nakajima

HI Hitachi: 1 patents #311 of 1,214Top 30%
TO Toshiba: 1 patents #91 of 500Top 20%
Overall (1982): #16,555 of 81,411Top 25%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4340781 Speech analysing device Akira Ichikawa, Kazuo Nakata, Yoshihiro Ohta, Kazuhiro Umemura 1982-07-20
4318164 High frequency switching circuit having preselected parameters to reduce power dissipation therein Toshihiro Onodera, Youichi Masuda 1982-03-02