P

Inventor

OTANI HIROAKI

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

TOKAI RYOKAKU TETSUDO KK

5 patents

TOSHIBA KK

4 patents

SANSHIN KOGYO KK

2 patents

NIPPON PROSENSOR CO LTD

2 patents