P

Inventor

HOTTA MASAO

JP31 patents
⚠️ This page may combine multiple inventors who share the name “HOTTA MASAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

19 patents
US6492872B1Dec 10, 2002

High frequency power amplifying module and wireless communication apparatus

HITACHI LTD68 citations96
US5794201AAug 11, 1998

Digital acoustic signal processing apparatus

HITACHI LTD57 citations96
US5623533AApr 22, 1997

Mobile communication end device with low power operation mode

HITACHI LTD66 citations96
US4875048AOct 17, 1989

Two-step parallel analog to digital converter

HITACHI LTD88 citations96
US4389711AJun 21, 1983

Touch sensitive tablet using force detection

HITACHI LTD100 citations95
US6226605B1May 1, 2001

Digital voice processing apparatus providing frequency characteristic processing and/or time scale expansion

HITACHI LTD30 citations92
US5519398AMay 21, 1996

Signal processing apparatus having A/D conversion function

HITACHI LTD21 citations92
US4978957ADec 18, 1990

High-speed analog-to-digital converter

HITACHI LTD44 citations92
US4752766AJun 21, 1988

Analog to digital converter

HITACHI LTD27 citations92
US4381495AApr 26, 1983

Digital-to-analog converter with error compensation

HITACHI LTD34 citations90
US4939518AJul 3, 1990

Analog to digital converter

HITACHI LTD20 citations79
US5966407AOct 12, 1999

Bus driving system and integrated circuit device using the same

HITACHI LTD12 citations74
US4916653AApr 10, 1990

Adder using multi-state logic

HITACHI LTD8 citations74
US4851845AJul 25, 1989

Encoder

HITACHI LTD8 citations74
US5291135AMar 1, 1994

Weak magnetic field measuring system using dc-SQUID magnetometer with bias current adjustment and/or detecting function of abnormal operation

HITACHI LTD19 citations70
US5138203AAug 11, 1992

Integrated circuit compensation for losses in signal lines due to parasitics

HITACHI LTD5 citations63
US4866444ASep 12, 1989

Analog-to-digital converter

HITACHI LTD5 citations63
US4752767AJun 21, 1988

DA converter

HITACHI LTD5 citations63
US4549166AOct 22, 1985

Digital-to-analog converter using a feedback element matching technique

HITACHI LTD5 citations60

RENESAS TECH CORP

2 patents

UNIV HOKKAIDO

1 patent

HITACHI MEDICAL CORP

1 patent

HITACHI DENSHI KABUSHIKIKAISHA

1 patent

TANAKA SATOSHI

1 patent

NIPPON TELEGRAPH & TELEPHONE

1 patent

HITACHI ELECTRONICS

1 patent

TTP COMMUNICATIONS LTD

1 patent

SEMICONDUCTOR TECH ACAD RES CT

1 patent

SAN HAO

1 patent

HOTTA MASAO

1 patent