KATAYAMA TAKESHI has a total of 21 patent applications. Its first patent ever was published in 1976. It filed its patents most often in United States and Japan. Its main competitors in its focus markets audio-visual technology, computer technology and optics are SHANGHAI QUANTUDOU CULTURE COMMUNICATION CO LTD, ITO AKIO and INSCAPE DATA INC.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 11 | |
#2 | Japan | 10 |
# | Industry | |
---|---|---|
#1 | Audio-visual technology | |
#2 | Computer technology | |
#3 | Optics | |
#4 | Measurement | |
#5 | Environmental technology | |
#6 | Machine tools |
# | Technology | |
---|---|---|
#1 | Television | |
#2 | Data recognition and presentation | |
#3 | Electric digital data processing | |
#4 | Cameras | |
#5 | Punching metal | |
#6 | Climate change mitigation in wastewater treatment | |
#7 | Measuring light |
# | Name | Total Patents |
---|---|---|
#1 | Katayama Takeshi | 21 |
#2 | Teraue Eiji | 4 |
#3 | Hashimoto Masamitsu | 1 |
#4 | Iga Junko | 1 |
#5 | Kemi Hirotoshi | 1 |
#6 | Ikeda Miyuki | 1 |
#7 | Saito Hideharu | 1 |
#8 | Uchida Eiichi | 1 |
#9 | Niwano Hiroyuki | 1 |
Publication | Filing date | Title |
---|---|---|
JP2003096761A | Metal earth embedded method approaching ground water area and carbon bar earth formation embedded method | |
JP2001265860A | Travel reservation management system | |
JP2001192694A | Device for reducing oxidation value of frying oil | |
JP2000144712A | Metallic-earth burying construction method reaching groundwater area and carbon-rod earth | |
JP2000054371A | Construction of building foundation by embedding pulverized coal | |
JPH0961044A | Anti-freezing refrigerator in ice temperature zone | |
JPH08285433A | In-chamber five-side face cold heat accumulation type refrigerator | |
JPS61253090A | Knife | |
JPS6027433A | Production of clip | |
JPS52130186A | Medical cooler |