Learn more

SEA PHONE CO LTD

Overview
  • Total Patents
    21
About

SEA PHONE CO LTD has a total of 21 patent applications. Its first patent ever was published in 2003. It filed its patents most often in Japan, Taiwan and China. Its main competitors in its focus markets audio-visual technology and optics are ERNEST TRAUB, ADVANCED DIGITAL OPTICS INC and SCHNEIDER RUNDFUNKWERKE AG.

Patent filings per year

Chart showing SEA PHONE CO LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Audio-visual technology
#2 Optics

Focus technologies

# Technology
#1 Television
#2 Optical systems

Top inventors

# Name Total Patents
#1 Hattori Tomohiko 18
#2 Noritake Kazuto 11
#3 Tanase Katsuya 11
#4 Yokota Isao 10
#5 Tsuzaka Masanori 8
#6 Masanori Tsuzaka 3
#7 Tomohiko Hattori 3
#8 Isao Yokota 3
#9 Tsusaka Masanori 3
#10 Katsuya Tanase 3

Latest patents

Publication Filing date Title
JP2011239224A Stereoscopic image creation device and stereoscopic image creation method
JP2009032069A Image conversion device and image conversion method
JP2009033538A Stereoscopic image display device and stereoscopic image display method
JP2007336489A Image converter and image conversion method
JP2006129225A Stereoscopic video image display device and method
JP2005010302A Display device
JP2005010303A Display device
JP2005010304A Display device, control method of display device, and control program