P

Inventor

ISHIKAWA TOSHIKATSU

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

NIPPON CARBON CO LTD

10 patents

AGENCY IND SCIENCE TECHN

3 patents

NIPPON CARBON CO LIMITED

1 patent

NIPPON OIL CO LTD

1 patent