P

Inventor

HIRAHARA MINORU

JP8 patents
⚠️ This page may combine multiple inventors who share the name “HIRAHARA MINORU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FUJITSU LTD

4 patents
US5260638ANov 9, 1993

Method and circuit for quick charging of secondary cell

FUJITSU LTD23 citations90
US6263015B1Jul 17, 2001

Analog/digital integrated subscriber circuit

FUJITSU LTD16 citations79
US5572413ANov 5, 1996

Primary control type switching power supply circuit

FUJITSU LTD7 citations71
US5402480AMar 28, 1995

Call signal generating circuit

FUJITSU LTD10 citations71

KOYAMA YOSHITO

2 patents
US8183940B2May 22, 2012

Temperature control device

KOYAMA YOSHITO21 citations89
US8543845B2Sep 24, 2013

Method for suppressing a voltage fluctuation applying to a load by a second power section with the same or opposite voltage polarity

KOYAMA YOSHITO0 citations45

HIRAHARA MINORU

2 patents
US8179114B2May 15, 2012

Voltage converting device and voltage converting method

HIRAHARA MINORU11 citations80
US8084886B2Dec 27, 2011

Uninterruptible power supply apparatus

HIRAHARA MINORU12 citations80