Inventor

MAEJIMA MASAAKI

JP3 patents

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

HITACHI LTD

1 patent

US4442419AApr 10, 1984

Static induction apparatus

HITACHI LTD22 citations80

KING JIM CO LTD

1 patent

US4940353AJul 10, 1990

Holder for paper-keeping bags

KING JIM CO LTD17 citations64

SEIKO EPSON CORP

1 patent

US7780342B2Aug 24, 2010

Spring device and timepiece

SEIKO EPSON CORP3 citations61