Takehiko Tsukahara

A 2-V, 2-GHz low-power direct digital frequency synthesizer chip-set for wireless communication

Akihiro Yamagishi, Masahito Ishikawa, Takehiko Tsukahara et al. · IEEE Journal of Solid-State Circuits · 1998 · 90 citations

Engineering, Radio Frequency, High-frequency Device +11

A 2-V 2-GHz Si-bipolar direct-conversion quadrature modulator

Takehiko Tsukahara, Masahito Ishikawa, M. Muraguchi · IEEE Journal of Solid-State Circuits · 1996 · 72 citations

Phase Error, Amplitude Imbalance, High-frequency Device +5

Micro- and nanometer-scale patterned surface in a microchannel for cell culture in microfluidic devices

Makiko Goto, Takehiko Tsukahara, Kiichi Sato et al. · Analytical and Bioanalytical Chemistry · 2007 · 55 citations

Engineering, Microfabrication, Microscopy +10

Fabrication and anomalous conducting behavior of atomically regulated superlattices

Hideomi Koinuma, Mamoru Yoshimoto, Hirotoshi Nagata et al. · Solid State Communications · 1991 · 50 citations

Superconducting Material, Engineering, Physics +2

Microflow Systems for Chemical Synthesis and Analysis: Approaches to Full Integration of Chemical Process

Kazuma Mawatari, Yutaka Kazoe, Arata Aota et al. · Journal of Flow Chemistry · 2011 · 50 citations

Process Integration, Process Design, Chemical Engineering +13