Inventor

KAWASUMI SEIJI

JP5 patents

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

FUJI PHOTO FILM CO LTD

4 patents

US5328573AJul 12, 1994

Planographic printing plate with electrolytically roughened design pattern on a back surface thereof

FUJI PHOTO FILM CO LTD5 citations60

FUJIFILM CORP

1 patent

US7352152B2Apr 1, 2008

Portable electronic appliance with a battery having a wireless tag containing battery information

FUJIFILM CORP17 citations80

KAWASUMI SEIJI

FUJI PHOTO FILM CO LTD

Method for electrochemically roughening a surface of a metal plate

Method for electrolytic treatment

Method and apparatus for electrolytic treatment

Planographic printing plate with electrolytically roughened design pattern on a back surface thereof

FUJIFILM CORP

Portable electronic appliance with a battery having a wireless tag containing battery information