Is this you? Create Your Porfile
Avatar

Takefumi Okumura

Hitachi

Network

Latest external collaboration on country level. Dive into details by clicking on the dots.

Explore More

Hotspot

Dive into the research topics where Takefumi Okumura is active.

Explore More

Publication

Featured researches published by Takefumi Okumura.

Archive | 2005

Electrode for Polymer Electrolyte Secondary Battery and Polymer Electrolyte Secondary Battery

Takefumi Okumura; Shin Nishimura; Norio Iwayasu; Shoichi Yokoyama; Tetsuya Itoh; Takeshi Yabe; Kengo Ichimiya

Archive | 2002

Electrolyte and lithium ion secondary battery

Takefumi Okumura; Shin Nishimura; Masaki Akatsuka

Solid State Ionics | 2014

Lithium ion conductive properties of aliphatic polycarbonate

Takefumi Okumura; Shin Nishimura

Journal of Power Sources | 2005

Lithium ion conductive polymer electrolyte by side group rotation

Akira Sato; Takefumi Okumura; Shin Nishimura; Hitoshi Yamamoto; Norikazu Ueyama

Archive | 2003

Cationic conductor, its intermediate, and lithium secondary battery using the conductor

Shin Nishimura; Akira Satou; Takefumi Okumura; Makoto Morishima; Hitoshi Yamamoto; Norikazu Ueyama

Archive | 2005

Electrolyte and lithium secondary battery

Takefumi Okumura; Shin Nishimura

Archive | 2006

Gel electrolyte and secondary battery

Takefumi Okumura; Shin Nishimura; Norio Iwayasu; Kazushige Kohno; Shoichi Yokoyama; Masato Mizutani; Tetsuya Itoh

Journal of Power Sources | 2016

Phase transition of carbonate solvent mixture solutions at low temperatures

Takefumi Okumura; Tatsuo Horiba

Archive | 2012

LITHIUM-ION RECHARGEABLE BATTERY MODULE, VEHICLE WITH THE BATTERY MODULE AND GENERATING SYSTEM WITH THE BATTERY MODULE

Akira Gunji; Shin Takahashi; Hiroshi Iwasawa; Shin Yamauchi; Takefumi Okumura

Archive | 2003

Boron-containing compound, ion-conductive polymer and polyelectrolyte for electrochemical devices

Takefumi Okumura; Shin Nishimura; Norio Iwayasu; Shoichi Yokoyama; Takeshi Yabe

Explore More

Collaboration

Dive into the Takefumi Okumura's collaboration.

Top Co-Authors
Avatar

Shin Nishimura

Hitachi

View shared research outputs
Top Co-Authors
Avatar

Norio Iwayasu

Hitachi

View shared research outputs
Top Co-Authors
Avatar

Akira Gunji

Hitachi

View shared research outputs
Top Co-Authors
Avatar

Takeshi Yabe

Hitachi

View shared research outputs
Top Co-Authors
Avatar

Hiroaki Konishi

Hitachi

View shared research outputs
Top Co-Authors
Avatar

Sho Furutsuki

Hitachi

View shared research outputs
Top Co-Authors
Avatar

Shohei Terada

Hitachi

View shared research outputs
Top Co-Authors
Avatar

Tatsumi Hirano

Hitachi

View shared research outputs
Top Co-Authors
Avatar

Xiaoliang Feng

Hitachi

View shared research outputs
Top Co-Authors
Avatar

Daiko Takamatsu

Hitachi

View shared research outputs
Explore More
Researchain Logo
Decentralizing Knowledge