P

Inventor

HIRAKAWA KATSUMI

JP32 patents
⚠️ This page may combine multiple inventors who share the name “HIRAKAWA KATSUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HIRAKAWA KATSUMI

13 patents

OLYMPUS MEDICAL SYSTEMS CORP

4 patents

MITSUBISHI PETROCHEMICAL CO

3 patents

OLYMPUS CORP

3 patents

KAWANO HIRONAO

2 patents

OLYMPUS OPTICAL CO

1 patent

JAPAN POLYCHEM CORP

1 patent

YOKOI TAKESHI

1 patent

UCHIYAMA AKIO

1 patent

AOKI ISAO

1 patent

MITSUBISHI CHEM CORP

1 patent

ONODA FUMIYUKI

1 patent