Inventor
Yuji Kakinuma
Inventor
Tokyo, JP
Overview
Patents· 36 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Cprimary
G11CStatic stores20%
H10BElectronic memory devices12%
G11BInformation storage based on relative movement between record carrier and transducer7%
H03DDemodulation or transference of modulation from one carrier to another7%
H10NElectric solid-state devices not otherwise provided for7%
B82YSpecific uses or applications of nanostructures6%
G06KGraphical data reading6%
H01LSemiconductor devices6%
B42DBooks5%
G01RMeasuring electric variables4%
PatentTitleYear
10,978,320Protective member forming apparatus202110,529,914Magnetic memory202010,020,831Microwave receiver and magnetoresistive device20189,088,244'Frequency converter'20159,077,306'Mixer having frequency selectivity'20159,030,251'Mixer'20159,017,831'Thin-film magnetic oscillation element'20158,583,073'Mixer and frequency converting apparatus'20138,391,106'Heat-assisted magnetic recording head with laser diode'20138,019,315'Mixer and frequency converting apparatus'20117,991,377'Mixer and frequency converting apparatus'20117,825,658'Magnetic device and frequency detector'20107,808,813'Magnetic memory cell reading apparatus'20107,808,229'Magnetic device and frequency analyzer'20107,522,450'Magnetic storage cell, magnetic memory device and magnetic memory device manufacturing method'20097,352,615'Magnetic memory device'20087,349,244'Magnetic memory device'20087,342,822'Magnetic memory device, write current driver circuit and write current driving method'20087,295,460'Magnetic memory cell, magnetic memory device, and method of manufacturing magnetic memory device'20077,277,320'Magnetic memory device, sense amplifier circuit and method of reading from magnetic memory device'20077,230,843'Magnetic memory device and writing method of the same'20077,227,771'Magnetoresistive effect element and magnetic memory device'20077,209,380'Magnetic memory device and method of reading the same'20077,016,221'Magnetoresistive effect element, magnetic memory device and method of fabricating the same'20066,996,001'Magnetic memory device, write current drive circuit, and write current drive method'20066,930,911'Magnetic memory device, method for writing on the same and method for reading from the same'20056,591,329'Flash memory system for restoring an internal memory after a reset event'20036,581,132'Flash memory system including a memory manager for managing data'20035,640,349'Flash memory system'19975,292,616'Optical card of closed type'19945,217,844'Optical recording medium, method of producing the same and method of producing the optical recording card'19935,114,531'Method of producing masks for ROM type optical recording cards and method of inspecting masks'19925,111,033'Optical card'19925,010,243'Method of producing an optical recording card having a hologram contained therein'19914,945,215'Optical recording card having hologram contained therein and method of producing the same'19904,860,275'Optical recording card and method of reading the same'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1994Patents assigned to KYODO PRINTING CO LTD (7)· patent assignee history
1989–2021Based in Tokyo, JP· patent location history
1997–2020Patents assigned to TDK CORP (27)· patent assignee history
1997Based in Saitama, JP· patent location history
2007–2009Based in Chuo-ku, JP· patent location history
2013–2015Patents assigned to KAKINUMA YUJI (5)· patent assignee history
2015Patents assigned to TAKAHASHI MASATO (3)· patent assignee history
2021Patents assigned to DISCO CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TDK CORP | 27 | 1997–2020 |
| KYODO PRINTING CO LTD | 7 | 1989–1994 |
| KAKINUMA YUJIself | 5 | 2013–2015 |
| TAKAHASHI MASATO | 3 | 2015 |
| DISCO CORP | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 31 | 1989–2021 |
| Chuo-ku, JP | 4 | 2007–2009 |
| Saitama, JP | 1 | 1997 |