P

Inventor

YOKOYAMA YOSHIMASA

JP35 patents
⚠️ This page may combine multiple inventors who share the name “YOKOYAMA YOSHIMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CASIO COMPUTER CO LTD

12 patents

HITACHI SHIPBUILDING ENG CO

6 patents

HITACHI LTD

5 patents

YOKOYAMA YOSHIMASA

3 patents

HITACHI AMERICA LTD

2 patents

KYUSYU HITACHI MAXELL LTD

2 patents

MATOBA KOSUKE

1 patent

KOYAMA KAZUYA

1 patent

HITACHI HOME ELECTRONICS AMERI

1 patent

NIPPON DANBOHRU CO LTD

1 patent

TAKATANI SETSUO

1 patent