TK

Tatsuo Katsuhara

Casio Computer Co.: 4 patents #615 of 1,970Top 35%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #893,356 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
D320997 Electronic saxhorn 1991-10-22
D319455 Electronic saxhorn 1991-08-27
D317932 Electronic saxhorn 1991-07-02
D313035 Electronic keyboard musical instrument Shigeru Kitsuyu 1990-12-18
D308215 Electronic piano 1990-05-29
D263468 Cassette tape deck Shigeki Masatsugu, Isao Aburatani 1982-03-23