Inventor · disambiguated record

Fumio Kohyama

Also filed as: KOHYAMA FUMIO

1 granted patent·33 citations·filing 1978–1978

45Inventor score

Technology areasH03H

Files withCITIZEN WATCH CO LTD1

Top patents by PatentIndex Score

1 record

0187US4259607AQuartz crystal vibrator using Ni-Ag or Cr-Ni-Ag electrode layersCITIZEN WATCH CO LTD·Filed 1978·Granted Mar 31, 1981·33 cites·4 claims

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →