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Haruki Tokumaru

Ricoh

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Publication

Featured researches published by Haruki Tokumaru.

Archive | 2010

THIN OPTICAL DISK CARTRIDGE, THIN OPTICAL DISK CONVEYING DEVICE, AND THIN OPTICAL DISK RECORDING/REPRODUCTION DEVICE

Takeshi Kajiyama; Daiichi Koide; Masami Nishida; Nobuaki Onaki; Yoshimichi Takano; Haruki Tokumaru; Koji Tsukahara; 興治 塚原; 大一 小出; 伸晃 小名木; 春樹 徳丸; 岳士 梶山; 雅己 西田; 善道 高野

Archive | 2008

Data recording/reproduction method and data recording/reproduction apparatus

Daiichi Koide; Nobuaki Onagi; Yasutomo Aman; Yoshimichi Takano; Haruki Tokumaru

Archive | 2011

Disk laminate, disk cartridge, disk loading/unloading mechanism, disk conveying device, disk conveying mechanism, and thin disk driving system

Yoshimichi Takano; Nobuaki Onagi; Kohji Tsukahara; Haruki Tokumaru; Daiichi Koide; Takeshi Kajiyama; Masami Nishida

電気学会研究会資料. IIC, 産業計測制御研究会 | 2010

Perfect Tracking Control System with Prediction State Observer for Next Generation Optical Disk

Toukoku Ogata; Yuta Nabata; Kiyoshi Ohishi; Toshimasa Miyazaki; Masaki Sazawa; Daiichi Koide; Yoshimichi Takano; Haruki Tokumaru

Archive | 2009

DISK ROTATING DEVICE, DISK, DISK ASSEMBLY, DISK CARTRIDGE, AND RECORDING AND REPRODUCING DEVICE

Yasutomo Aman; Nobuaki Onagi; Shozo Murata; Yasunori Sugimoto; Haruki Tokumaru; Daiichi Koide; Yoshimichi Takano

Archive | 2013

Disk clamping mechanism and disk drive system, with movably supported clamper

Nobuaki Onagi; Yasutomo Aman; Haruki Tokumaru; Yoshimichi Takano; Daiichi Koide; Takeshi Kajiyama; Masami Nishida

Archive | 2013

Optical disk apparatus, gap servo device and gap pull-in control method

Daiichi Koide; 大一 小出; Takeshi Kajiyama; 岳士 梶山; Haruki Tokumaru; 春樹 徳丸; Ryuji Sato; 龍二 佐藤

Archive | 2013

Vacuum suction method, vacuum treatment unit, and sublimation pump

佐藤 龍二; Ryuji Sato; 龍二 佐藤; 岳士 梶山; Takeshi Kajiyama; 小出 大一; Daiichi Koide; 大一 小出; 徳丸 春樹; Haruki Tokumaru; 春樹 徳丸

Archive | 2011

Optimum gap determined recording/reproducing apparatus

Nobuaki Onagi; Yasutomo Aman; Minoru Takahashi; Haruki Tokumaru; Yoshimichi Takano; Daiichi Koide

Archive | 2010

Mécanisme de maintien de disque et système de lecteur de disque

Nobuaki Onagi; Yasutomo Aman; Haruki Tokumaru; Takano Yoshimichi; Koide Daiichi; Kajiyama Takeshi; Nishida Masami

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Collaboration

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Daiichi Koide

Ricoh

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Yoshimichi Takano

Ricoh

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Nobuaki Onagi

Ricoh

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Yasutomo Aman

Ricoh

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Kiyoshi Ohishi

Nagaoka University of Technology

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Toshimasa Miyazaki

Nagaoka University of Technology

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Masami Nishida

Ricoh

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Takeshi Kajiyama

Ricoh

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Koji Tsukahara

Ricoh

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Minoru Takahashi

Ricoh

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