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Kei Hirano

Seiko Instruments

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Publication

Featured researches published by Kei Hirano.

Archive | 2004

Multifunctional Clock Capable of Realizing Plurality of Movement Layouts

Takeshi Tokoro; Kei Hirano; Mamoru Watanabe

Archive | 2005

Multifunction timepiece capable of constituting plural fan shape moving hand train wheel layouts

Kei Hirano; Mamoru Watanabe; Takeshi Tokoro

Archive | 2005

Multifunction timepiece having fan shape moving hand mechanism including return spring and fan shape moving hand train wheel apparatus

Namoru Watanabe; Takeshi Tokoro; Kei Hirano

Archive | 2009

Day display apparatus and watch having the same

Kei Hirano; Tamotsu Ono

Archive | 2004

Analog electronic timepiece having train wheel setting lever

Tamotsu Ono; Mamoru Watanabe; Yuichi Shino; Kei Hirano

Archive | 2004

Multifunctional timepiece including plural types of hand operating train wheels

Mamoru Watanabe; Takeshi Tokoro; Kei Hirano

Archive | 2011

Calendar mechanism and analog timepiece equipped with same mechanism

Kei Hirano

Archive | 2005

Display correcting mechanism and timepiece having display correcting mechanism

Kei Hirano; Shigeo Suzuki

Archive | 2003

Analog chronograph timepiece having plural motors

Tamotsu Ono; Mamoru Watanabe; Yuichi Shino; Kei Hirano

Archive | 2012

RETROGRADE DISPLAY MECHANISM AND TIMEPIECE HAVING THE SAME

Kei Hirano

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Collaboration

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Mamoru Watanabe

Seiko Instruments

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Takeshi Tokoro

Seiko Instruments

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Tamotsu Ono

Seiko Instruments

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Shigeo Suzuki

Seiko Instruments

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Namoru Watanabe

Seiko Instruments

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