Inventor

HAYAKAWA TATSUO

JP5 patents

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

HITACHI GLOBAL STORAGE TECH

2 patents

US6693757B2Feb 17, 2004

Apparatus and method for adjusting balance and assembling disk drives

HITACHI GLOBAL STORAGE TECH84 citations97

US7389571B2Jun 24, 2008

Retaining ring attaching device and data storage

HITACHI GLOBAL STORAGE TECH3 citations60

NEC CORP

2 patents

US4933625AJun 12, 1990

Driving circuit for controlling output voltage to be applied to a load in accordance with load resistance

NEC CORP14 citations70

US4808943AFeb 28, 1989

Switching circuit of amplifier output

NEC CORP9 citations70

MOTOROLA INC

1 patent

US5153451AOct 6, 1992

Fail safe level shifter

MOTOROLA INC27 citations89