Inventor

OHTA KEN-ICHIRO

2 patents

⚠️ This page may combine multiple inventors who share the name “OHTA KEN-ICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GRAPHTEC KK

1 patent

US4565918AJan 21, 1986

Heating circuit for a thermal recording-pen

GRAPHTEC KK4 citations56

WATANABE INSTR

1 patent

US4318110AMar 2, 1982

Multi-channel recording instrument

WATANABE INSTR5 citations53