Inventor
Akihiko Hirano
Inventor
Toyoake, JP
Overview
Patents· 43 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer22%
F25BRefrigeration machines, plants or systems17%
F25DRefrigerators9%
F25CProducing, working or handling ice7%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses7%
H03MCoding7%
H04LTransmission of digital information, e.g. telegraphic communication7%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications6%
H03KPulse technique4%
G06VImage or video recognition or understanding3%
PatentTitleYear
9,253,824'Steam generator'20168,474,280'Refrigerating storage cabinet and control method for compressor thereof'20138,365,543'Cooling storage'20138,209,991'Cooling storage and method of operating the same'20128,136,365'Cooling apparatus having a variable speed compressor with speed limited on the basis of a sensed performance parameter'20127,975,497'Refrigeration unit having variable performance compressor operated based on high-pressure side pressure'20117,908,039'Cooling storage cabinet and method of operating the same'20117,775,058'Cooler and refrigerator'20107,743,618'Auger type ice making machine'20107,730,732'Refrigerating storage cabinet'20107,536,867'Auger-type ice-making machine'20097,444,829'Automatic ice making machine'20087,331,189'Cooling device'20087,246,504'Method of manufacturing refrigerated repositories and sales management system for refrigerated storage'20077,199,955'Decoding apparatus and decoding method'20077,168,262'Ice making machine'20076,931,872'Operation control device for cooling apparatus'20056,725,418'Decoding circuit using path sequence including feed-back type path sequence storing blocks'20046,704,154'Decoding apparatus and decoding method'20046,697,976'Performance evaluation method, performance evaluation system, and information storage apparatus using same'20046,661,594'Signal processing circuit and information recording/reproducing apparatus using the same, and method for optimizing coefficients of equalizer circuit'20036,335,841'Coding apparatus and coding method'20026,334,201'Decoding circuit and information processing apparatus'20016,266,200'Magnetic disk storage apparatus'20016,226,417'Method and system for recognizing a rotated image pattern with reduced processing time and memory space'20016,181,820'Image extraction method and apparatus and image recognition method and apparatus for extracting/recognizing specific images from input image signals'20016,115,495'Image extraction method and apparatus, and image recognition method and apparatus for extracting/recognizing specific images from input image signals'20006,104,331'Reproduced signal processing method, reproduced signal processing circuit, and a magnetic storage apparatus'20006,034,998'Method of and apparatus for detecting phase'20005,999,353'Magnetic disk storage apparatus with phase sync circuit having controllable response characteristic'19995,940,416'Digital signal decoding apparatus and a decoding method used therein'19995,818,655'Signal processing circuit and information recording/reproducing apparatus using the same, and method for optimizing coefficients of equalizer circuit'19985,805,024'Phase lock loop system including a primary phase lock loop apparatus and a high order phase lock loop apparatus'19985,659,309'Data recording/reproducing apparatus having viterbi decoder and method thereof'19975,633,766'Magnetic disk storage apparatus with phase sync circuit having controllable response characteristics'19975,584,186'Refrigerant circuit for ice making machine etc.'19965,555,744'Refrigerant circuit for ice making machines etc.'19965,553,104'Information recording/reproducing apparatus having a clock timing extraction circuit for extracting a clock signal from an input data signal'19965,475,715'Sync data introduction method and system'19955,463,504'Magnetic disk system and waveform equalizer therefor'19955,448,424'AGC circuit and recording and reproducing apparatus using AGC circuit'19955,404,250'Magnetic disk storage apparatus with phase sync circuit having controllable response characteristic'19954,986,083'Freezer machine'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–2016Patents assigned to HOSHIZAKI ELECTRIC CO LTD (16)· patent assignee history
1995–2004Patents assigned to HITACHI LTD (20)· patent assignee history
1995–2007Based in Odawara, JP· patent location history
1995–2001Based in Fujisawa, JP· patent location history
1996–2016Based in Toyoake, JP· patent location history
1996–2008Based in Aichi, JP· patent location history
2000–2001Based in Tokyo, JP· patent location history
2012–2016Patents assigned to HIRANO AKIHIKO (5)· patent assignee history
2012–2016Patents assigned to KAGA SHINICHI (5)· patent assignee history
2012–2013Patents assigned to KONDOU NAOSHI (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 20 | 1995–2004 |
| HOSHIZAKI ELECTRIC CO LTD | 16 | 1991–2016 |
| HIRANO AKIHIKOself | 5 | 2012–2016 |
| KAGA SHINICHI | 5 | 2012–2016 |
| KONDOU NAOSHI | 3 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Toyoake, JP | 15 | 1996–2016 |
| Odawara, JP | 15 | 1995–2007 |
| Fujisawa, JP | 6 | 1995–2001 |
| Aichi, JP | 3 | 1996–2008 |
| Tokyo, JP | 3 | 2000–2001 |