A Japanese government institute has warned that satellite transmissions, GPS readings, and power lines could be affected over the next two weeks if a recent spate of solar flares continues.

Japan's Sharp booked another huge loss on Tuesday, and unveiled its latest turnaround plan, which includes relying on partnerships with Samsung Electronics and Foxconn Technology Group for business, sacking top management, and expanding into new fields such as robotics.

NTT DoCoMo, Japan's largest mobile carrier, will use location data from its 61.5 million subscriber devices to build a platform that monitors traffic conditions across the country.

Sony will soon launch a flexible e-reader device that is less than 7mm thick and weighs 358 grams, targeted for use in university classrooms.

Pioneer will soon launch a new car navigation system in Japan that uses dashboard cameras to scan the road ahead for approaching street signs and other cars, and will share images of road conditions with other vehicles.

Sony made good on a promise to return to profitability after offloading a number of valuable assets last year, but its core electronics business is still losing money.

Panasonic has developed a tiny, low-power chip for sensor networks and Internet-connected appliances, which it says is the first to support a broad range of frequency bands.

Toshiba is set to launch a portable USB hard drive that comes with PC or Mac software that can turn it into an Internet-accessible file server.

Softbank's CEO, in a battle with Dish Network to acquire U.S. mobile operator Sprint Nextel, slammed a US$25.5 billion offer made by Dish, saying it is based on "imaginary" numbers and would create a company with "insane" amounts of debt.

Samsung Electronics said its Galaxy S3 and Note 2 helped it to defy a shrinking smartphone market in the first quarter, boosting its overall profits by 42 per cent from a year ago.

Sony has doubled its profit forecast for its recently ended fiscal year, a widely expected move after it sold off major assets including its U.S. headquarters and an office complex in Tokyo.

Nintendo's President said a lack of compelling titles for the Wii U is hurting sales, and promised to improve the console's lineup this year.

Sales of Nintendo's Wii U and 3DS fell short of the company's targets last fiscal year, pulling its profits down to half of what it expected.

Hacking group Anonymous asked websites to black out their front pages on Monday, in protest against legislation in the U.S. that would allow online companies and government agencies to more easily share personal information.

The CEO of archiving service Evernote said his company will soon release branded hardware with partners, as it moves toward creating its own devices.