Inventor

NAKAO HIROHISA

JP3 patents

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

TOPCON CORP

2 patents

US6695450B2Feb 24, 2004

Ophthalmic characteristics measuring apparatus

TOPCON CORP13 citations81

US6234632B1May 22, 2001

Cornea shape measuring apparatus

TOPCON CORP12 citations68

KOYO SEIKO CO

1 patent

US5190119AMar 2, 1993

Hydraulic power steering device responsive to speed of vehicle

KOYO SEIKO CO14 citations70