HEIWA ELECTRIC has a total of 11 patent applications. Its first patent ever was published in 1966. It filed its patents most often in Japan and United States. Its main competitors in its focus markets civil engineering, machines and electrical machinery and energy are ADLER S A S, D & D GROUP PTY LTD and BACOZ DEV PTY LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | Japan | 7 | |
#2 | United States | 4 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Machines | |
#3 | Electrical machinery and energy | |
#4 | Control |
# | Technology | |
---|---|---|
#1 | Locks | |
#2 | Unspecified technologies | |
#3 | Bolts for doors or windows | |
#4 | Magnets and transformers | |
#5 | Alarm systems |
# | Name | Total Patents |
---|---|---|
#1 | Sugiyama Kazuo | 4 |
#2 | Ushiyama Masao | 2 |
#3 | Go Takashi | 1 |
#4 | Takiguchi Kunio | 1 |
#5 | Kuroda Masahiko | 1 |
#6 | Miura Hisao | 1 |
#7 | Ozeki Nagamori | 1 |
#8 | Sonohara Shigeru | 1 |
#9 | Nozaki Kaname | 1 |
Publication | Filing date | Title |
---|---|---|
JP2014162102A | Heater, and heater with temperature sensor | |
JP2011020421A | Valve system | |
JP2000340339A | Electric heater | |
JPH0822361A | Electrostatic inducation type noncontact switch controller | |
JPS5732606A | Coil | |
JPS5499925A | Variable output stabilizing dc power source | |
JPS5266940A | Overload protecting circuit for regulated dc power supply | |
US3543547A | Manually unlocking device of electric lock | |
US3508233A | Combination of electrical lock system and fire alarm system | |
US3491353A | Electrical locking device combined with an interphone system | |
US3506883A | Electrical locking device |