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Dive into the research topics where Hatazawa Yasuyoshi is active.

Publication


Featured researches published by Hatazawa Yasuyoshi.


Archive | 2001

Knock detector extracts vibration component superimposed on ion current, controls ignition timing based on knock intensity, varies detection threshold depending on ion current information

Hatazawa Yasuyoshi; Okamura Koichi; Koiwa Mitsuru; Nobe Hisanori


Archive | 1999

Magnetism detecting device

Yokoya Masahiro; Hatazawa Yasuyoshi; Shinjo Izuru; Nada Takuji


Archive | 2001

Combustion condition detecting device for internal combustion engine

Okamura Koichi; Hatazawa Yasuyoshi; Nobe Hisanori; Sasaki Shiyuu; Koiwa Mitsuru; Ohashi Yutaka


Archive | 2000

Knock detection device for internal combustion engine detects vibrations superimposed on ion current, converts to pulsed form, computes number of pulses and controls ignition timing

Nobe Hisanori; Hatazawa Yasuyoshi; Okamura Koichi; Koiwa Mitsuru; Ohashi Yutaka


Archive | 1998

Magnetic field detector for rotation of magnetic body

Shinjo Izuru; Hatazawa Yasuyoshi; Fukami Tatsuya; Taguchi Motohisa; Tsutsumi Kazuhiko; Sakai Yuuichi; Hiraoka Naoki


Archive | 2000

Klopfsteuervorrichtung für eine Brennkraftmaschine

Tanaya Kimihiko; Hatazawa Yasuyoshi; Okamura Koichi; Koiwa Mitsuru


Archive | 1999

Element and apparatus for detection of magnetism

Taguchi Motohisa; Shinjo Izuru; Kawano Yuji; Fukami Tatsuya; Tsutsumi Kazuhiko; Sakai Yuichi; Hiraoka Naoki; Hatazawa Yasuyoshi


Archive | 2009

COMBUSTION STATE DETECTOR OF INTERNAL COMBUSTION ENGINE

Sasaki Shiyuu; Okamura Koichi; Nobe Hisanori; Hatazawa Yasuyoshi; Koiwa Mitsuru


Archive | 2001

KNOCK DETECTING DEVICE

Hatazawa Yasuyoshi; Nobe Hisanori; Okamura Koichi; Koiwa Mitsuru


Archive | 2000

Misfire detector for internal combustion engine detects ion current dependent on number of ions produced inside engine cylinder immediately after combustion of air/fuel mixture in cylinder

Hatazawa Yasuyoshi; Okamura Koichi; Koiwa Mitsuru; Ohashi Yutaka; Nobe Hisanori

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