Inventor
KARASAWA YOSHIO
JP13 patents
⚠️ This page may combine multiple inventors who share the name “KARASAWA YOSHIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOKUSAI DENSHIN DENWA CO LTD
5 patentsUS5347535ASep 13, 1994
CDMA communication system
KOKUSAI DENSHIN DENWA CO LTD136 citations96
US5204981AApr 20, 1993
Interference elimination system
KOKUSAI DENSHIN DENWA CO LTD23 citations91
US5493436AFeb 20, 1996
Optical wave transmission
KOKUSAI DENSHIN DENWA CO LTD37 citations89
US4853702AAug 1, 1989
Radio wave receiving system
KOKUSAI DENSHIN DENWA CO LTD14 citations72
US4400703AAug 23, 1983
Spiral array antenna
KOKUSAI DENSHIN DENWA CO LTD17 citations72
ATR OPTICAL AND RADIO COMMUNIC
2 patentsUS5722042AFeb 24, 1998
Satellite communication system having double-layered earth orbit satellite constellation with two different altitudes
ATR OPTICAL AND RADIO COMMUNIC124 citations97
US5585803ADec 17, 1996
Apparatus and method for controlling array antenna comprising a plurality of antenna elements with improved incoming beam tracking
ATR OPTICAL AND RADIO COMMUNIC113 citations95
ATR ADAPTIVE COMM RES LAB
2 patentsUS6232927B1May 15, 2001
Array antenna apparatus for use in spread spectrum communications with a particular interval between antenna elements
ATR ADAPTIVE COMM RES LAB21 citations92
US6020850AFeb 1, 2000
Optical control type phased array antenna apparatus equipped with optical signal processor
ATR ADAPTIVE COMM RES LAB45 citations89