HASEGAWA KAZUO has a total of 14 patent applications. Its first patent ever was published in 1979. It filed its patents most often in Japan, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets telecommunications, audio-visual technology and measurement are RECOTON CORP, OI ELECTRIC CO LTD and VORON VYSSHEE VOENNOE AVIAT IN.
# | Country | Total Patents | |
---|---|---|---|
#1 | Japan | 9 | |
#2 | United States | 4 | |
#3 | WIPO (World Intellectual Property Organization) | 1 |
# | Industry | |
---|---|---|
#1 | Telecommunications | |
#2 | Audio-visual technology | |
#3 | Measurement | |
#4 | Control | |
#5 | Materials and metallurgy | |
#6 | Civil engineering |
# | Name | Total Patents |
---|---|---|
#1 | Hasegawa Kazuo | 14 |
#2 | Suzuki Hirohisa | 3 |
#3 | Fujiwara Osamu | 1 |
#4 | Miyoshi Satoru | 1 |
#5 | Kogure Kazuya | 1 |
Publication | Filing date | Title |
---|---|---|
US2010045367A1 | Low-voltage operation constant-voltage circuit | |
JP2008121177A | Sock and supporter | |
JP2003290015A | Saucer-equipped set of lidded mug | |
JP2003235738A | Keep-cool-warm pot | |
JPH10234312A | Deodorant for domestic animal | |
JPH04147766A | Internal melting type soldering iron with stand | |
JPH01317180A | Production of polished concrete block | |
JPS6058140A | Protector for preventing dental calies | |
JPS6040427A | Earth-and-lock anchor with strainer | |
JPS5612494A | Method of measuring underground water levels of numerous layers by strainer of annular* crescent and 1*nndivided cross section shape |