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Featured researches published by Yoshiki Ueyama.


International Congress & Exposition | 1993

QUICK ROUTE-FINDING ALGORITHM

Takeshi Yagyu; Makoto Fushimi; Yoshiki Ueyama; Shigetoshi Azuma

A quick route-finding algorithm was developed for determining the optimal route between two points. Also, a new method for recording on a CD-ROM, using a computer, optimal routes between all major points, was created. The on-board system accesses the CD-ROM data to find the route. This method greatly reduces the time needed to find a route.


Archive | 1998

Method and apparatus for searching a route

Takeshi Yagyu; Yasuhiro Ihara; Yoshiki Ueyama


Archive | 2000

Parking conduct device and parking conduct method

Nobuhiko Yasui; Atsushi Iisaka; Yoshiki Ueyama


Archive | 1999

Data structure of digital map file

Nobuyuki Nakano; Yasuhiro Ihara; Yoshiki Ueyama; Akihiro Suzuki; Hisaya Fukuda


Archive | 1995

Vehicle position detecting apparatus which comensates for errors in road map data matching operation

Yasuhiro Ihara; Mitsuhiro Yamashita; Yoshiki Ueyama


Archive | 2000

Route selection method and system

Takeshi Yagyu; Makoto Fushimi; Yoshiki Ueyama


Archive | 1992

Vehicle position detecting apparatus

Yasuhiro Ihara; Mitsuhiro Yamashita; Yoshiki Ueyama


Archive | 1994

Route selection method and apparatus therefor

Takeshi Yagyu; Yoshiki Ueyama


Archive | 1989

Vehicle in-situ locating apparatus

Yoshiki Ueyama; Nobuhiko Yasui


Archive | 1992

Magnetic direction finder with correcting circuit

Yasuhiro Ihara; Yoshiki Ueyama; Mitsuhiro Yamashita

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