P

Inventor

ISHIKAWA RYOICHI

JP14 patents
⚠️ This page may combine multiple inventors who share the name “ISHIKAWA RYOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HONDA MOTOR CO LTD

4 patents

DAINIPPON INK & CHEMICALS

3 patents

PANASONIC CORP

2 patents

RICOH KK

1 patent

HITACHI LTD

1 patent

MITSUBISHI ELECTRIC CORP

1 patent

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

1 patent

NIPPON SEIKI CO LTD

1 patent