Inventor
Takashi Gotoh
Inventor
Tokyo, JP
Overview
Patents· 22 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Sprimary
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests16%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application14%
B23KSoldering or unsoldering9%
B41JTypewriters5%
B60GVehicle suspension arrangements5%
F16FSprings5%
F24FAir-conditioning5%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems5%
Y10TTechnical subjects covered by former us classification5%
C01GCompounds containing metals not covered by subclasses c01d or c01f4%
PatentTitleYear
9,633,770'Method for improving coercive force of epsilon-type iron oxide, and epsilon-type iron oxide'20179,458,026'Method for improving coercive force of epsilon-type iron oxide, and epsilon-type iron oxide'20169,097,213'Carburetor'20159,041,371'Switching regulator'20158,978,379'Electronically controlled actuator'20158,779,748'Error amplification circuit, control method for error amplification circuit, and switching regulator employing error amplification circuit'20148,207,715'Soft-start circuit and power supply circuit including same'20127,226,152'Image forming apparatus'20077,156,509'Image forming apparatus'20076,890,057'Inkjet printer waste ink storage apparatus'20056,484,850'Elevator control panel device'20026,460,840'Helical compression spring for a vehicle suspension'20026,328,290'Helical compression spring for a vehicle suspension'20016,199,882'Vehicle wheel suspension'20016,192,976'Heat exchanger, refrigeration system, air conditioner, and method and apparatus for fabricating heat exchanger'20015,964,284'Heat exchanger for air conditioner and method of fabricating the heat exchanger'19995,822,854'Method of fabricating a heat exchanger for an air conditioner'19985,806,585'Heat exchanger, refrigeration system, air conditioner, and method and apparatus for fabricating heat exchanger'19985,769,157'Heat exchanger and method of fabricating the heat exchanger'19985,706,887'Air conditioner and heat exchanger used therefor'19985,704,421'Air conditioner and heat exchanger used therefor'19985,647,431'Air conditioner and heat exchanger used therefor'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–2015Patents assigned to MITSUBISHI ELECTRIC CORP (9)· patent assignee history
1997–1998Based in Amagasaki, JP· patent location history
1998–2017Based in Tokyo, JP· patent location history
1998–2015Based in Hyogo, JP· patent location history
2001Patents assigned to CHUO HATSUJO KK (2)· patent assignee history
2001–2002Based in Chiryu, JP· patent location history
2005–2007Patents assigned to SHARP KK (3)· patent assignee history
2005–2007Based in Nara, JP· patent location history
2012–2016Patents assigned to GOTOH TAKASHI (5)· patent assignee history
2012–2015Patents assigned to RICOH CO LTD (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI ELECTRIC CORP | 9 | 1997–2015 |
| GOTOH TAKASHIself | 5 | 2012–2016 |
| RICOH CO LTD | 3 | 2012–2015 |
| SHARP KK | 3 | 2005–2007 |
| CHUO HATSUJO KK | 2 | 2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 6 | 1998–2017 |
| Hyogo, JP | 5 | 1998–2015 |
| Nara, JP | 3 | 2005–2007 |
| Chiryu, JP | 3 | 2001–2002 |
| Amagasaki, JP | 3 | 1997–1998 |