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Tatsuo Hara

Epson

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Publication

Featured researches published by Tatsuo Hara.

Archive | 1998

Control device for stepping motor, control method for the same, and timing device

Tatsuo Hara

Archive | 1998

Spring, power spring, hair spring, driving mechanism utilizing them, and timepiece

Masatoshi Moteki; Fumio Takagi; Tatsuo Hara

Archive | 2001

Spring, mainspring, hairspring, and driving mechanism and timepiece based thereon

Masatoshi Moteki; Fumio Takagi; Tatsuo Hara

Archive | 1999

Electronically controlled mechanical timepiece

Osamu Takahashi; Tatsuo Hara; Masatoshi Moteki; Eiichi Nagasaka

Archive | 1995

Analog indicator type electronic timepiece and charging method thereof

Tatsuo Hara; Joji Kitahara; Yasuhiro Oshima; Hidenori Makiba

Archive | 2001

Mainspring device and a winding protection structure

Tatsuo Hara; Yoshihiko Momose

Archive | 1999

Mainspring device, timepiece, and method of controlling the mainspring device and the timepiece

Tatsuo Hara; Yoshihiko Momose

Archive | 2000

Stepping motor control device and method thereof and timepiece

Tatsuo Hara

Archive | 2004

Method for manufacturing magnetic core, magnetic core, electromagnetic converter, clock, and electronic equipment

Tatsuo Hara; Hiroyuki Kojima; Kenichi Michihashi; Eiichi Nagasaka; Yoshiaki Oguchi; Toshiaki Yanagisawa; 辰男 原; 吉明 小口; 博之 小島; 利昭 柳澤; 栄一 永坂; 賢一 道端

Archive | 2005

METHOD OF MANUFACTURING MAGNETIC CORE, MAGNETIC CORE, ELECTROMAGNETIC TRANSDUCER, CLOCK, AND ELECTRONIC DEVICE

Tatsuo Hara; Toshiaki Yanagisawa; Hiroyuki Kojima; Eiichi Nagasaka; Kenichi Michibata; Yoshiaki Oguchi

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