P

Inventor

HIRAYAMA TAKAYUKI

JP13 patents
⚠️ This page may combine multiple inventors who share the name “HIRAYAMA TAKAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON OIL CO LTD

6 patents

NIPPON MITSUBISHI OIL CORP

2 patents

HONDA MOTOR CO LTD

2 patents

Arum Incorporated

2 patents

TAKENAKA CORP

1 patent