Hitachi, Ltd.

Koji Suso

Atsuhiko Urushihara

Hiroyuki Noda

Yoko Sato

Masayuki Ohki

Tadahiro Yamaguchi

Yukinobu Maruyama

Yuhei Abe

Atsutoshi Sato

Takashi Matsubara

Shinichiro Aikawa

Takeshi Hoshino

Akira Kojima

Jun Furuya

Takeshi Minemoto

Yasunori Kawauchi

Isshu Nakajima

Kazuyuki Fukushima

Akira Takahashi

Masaki Takano

Taisuke Kashima

Masao Miyawaki

Masayuki Oki

Hiroaki Ono

Shigeyuki Itoh

Masahiko Sato

Shigeru Mori

Hiroki Yoshikawa

Yoshihiro Iwama

Shinji Shibuya

Tetsu Ohishi

Hiroki Kitagawa

Toshimitsu Watanabe

Takanori Nishiyama

Kazunari Nakagawa

Yasushi Neho

Takahiko Yoshida

Takashi Sato

Yoshimasa Yokoyama

Kiyoshi Wada

Shinichi Ishikuro

Kuninori Suzuki

Yuichi Horiuchi

Ryuichi Nemoto

Kazuma Kishi

Keisuke Nakayama

Kotaro Yamashita

Daichi Hotta

Maki Furui

Satoshi Ishizuka

Shinichi Urano

Satoko Kojima

Masao Horie

Tohru Mori

Takashi Ishibashi

Tadashi Anzai

Kohichi Kasama

Tutomu Simada

Naoko Kubo

Kohsuke Ozeki

Yoshinori Matsumura

Yasuhiko Komatsu

Takashi Satou

Michiaki Ezure

Keiichi Shimada

Koji Mori

A portable phone including a connecting member such as a hinge part for coupling a display housing and a grip housing in a manner that a first state in which the display housing and the grip housing are folded together, and a second state in which the display housing and the grip housing are coupled at one end, are exchangeable. The display housing includes a display unit, a fuel cell, and a fuel cartridge, and the grip housing includes an operation part and a rechargeable part for storing electricity generated by the fuel cell, the fuel cartridge is detachably mounted on the side face of the display housing.

Portable terminal device

Personal authentication device

There is provided a power generator including a plurality of power generation elements, and a fuel supply portion that communicates with the plurality of power generation elements through a fuel supply passage, the plurality of power generation elements are housed in a plurality of independent power generation casings having vent portions, and the plurality of power generation casings are movably connected via a connecting portion so as to enter a housing state where the casings are placed on top of each other and a power generation state where the casings are separated. There is provided a portable power generator that can ensure sufficient ventilation and power generation areas in use (during power generation), and becomes compact when carried.

Power generator

Computer

Monitor for a computer

Electronic computer

Portable computer

A portable information terminal unit comprises a first and a second casing, a hinge means for coupling the first and second casing so that the first and second casing are rotatable relative to each other, an opening piercing though the first casing, a first see-thorough liquid crystal display part fitted in the opening, a means for detecting opening of the first and second casing, relative to each other, and a control means for reversing a display on the first see-through liquid crystal display part in response to a detection by the detecting means, wherein monochromatic information is displayed on the first see-through liquid crystal display part so as to reduce power consumption.

Information terminal unit

Digital video disc player

Growing community of inventors

Kokubunji, Japan

Koji Suso