P

Inventor

OHKAWA HIDEO

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

IDEMITSU KOSAN CO

5 patents

AGENCY IND SCIENCE TECHN

4 patents

SUMITOMO CHEMICAL CO

3 patents

CALP CORP

1 patent

CALP KOGYO KK

1 patent

SASAKI CO

1 patent

MITSUI TOATSU CHEMICALS

1 patent

SUNTORY LTD

1 patent