Inventor
Kenji Nagai
Inventor
Iruma, JP
Overview
Patents· 44 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Cprimary
G11CStatic stores14%
G06KGraphical data reading7%
H01LSemiconductor devices6%
G01BMeasuring length, thickness or similar linear dimensions5%
H02JElectric power networks5%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h105%
H04LTransmission of digital information, e.g. telegraphic communication4%
H10DInorganic electric semiconductor devices4%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light2%
G01KMeasuring temperature2%
PatentTitleYear
10,610,856Catalyst for catalytic cracking of hydrocarbon oil and method for catalytic cracking of hydrocarbon oil202010,354,896Position detection system and processing apparatus201910,199,251Position detecting system and processing apparatus20199,976,129Fusion protein for protein detection, and method for detecting protein20189,812,996'Method for calculating distance, method for neutralizing electrostatic chuck, and processing apparatus'20179,388,454'Method for producing protein-nucleic acid conjugate, and method for detecting target substance'20169,276,104'High-frequency semiconductor device and method of manufacturing the same'20169,046,417'Temperature measuring system, substrate processing apparatus and temperature measuring method'20159,019,505'Temperature control system including sub-chiller'20158,941,843'Light interference system and substrate processing apparatus'20158,777,483'Temperature measuring apparatus and temperature measuring method'20148,262,093'Oil seal and power transmission apparatus'20128,031,537'Time reduction of address setup/hold time for semiconductor memory'20117,889,573'Time reduction of address setup/hold time for semiconductor memory'20117,821,842'Synchronous memory devices and control methods for performing burst write operations'20107,738,143'Copy-forgery-inhibited pattern or stamp image combined with image data based on user actions'20107,706,197'Storage device and control method of storage device'20107,573,231'Recharging terminal'20097,564,720'Nonvolatile storage and erase control'20097,314,898'Microsphere-filled polytetrafluoroethylene compositions'20087,116,709'Communication method of contactless ID card and integrated circuit used in communication method'20067,106,651'Semiconductor memory device and method of reading data from semiconductor memory device'20067,023,176'Transformerless charger with terminal safety features'20066,925,005'AC sensing method memory circuit'20056,788,588'Asynchronous semiconductor memory device'20046,765,959'Communication method of contactless ID card and integrated circuit used in communication method'20046,739,034'Assembling apparatus for electrical machine having permanently magnetized field magnets'20046,686,750'Semiconductor integrated circuit device and IC card'20046,633,102'Insulator for armature of dynamo-electric machine'20036,427,065'Power transmission system, IC card and information communication system using IC card'20026,420,883'Semiconductor integrated circuit device and IC card'20026,385,119'Internal supply voltage generating cicuit in a semiconductor memory device and method for controlling the same'20026,321,067'Power transmission system IC card and information communication system using IC card'20016,128,238'Direct sensing semiconductor memory device'20005,949,823'Data communication system and radio IC card system'19995,619,465'Semiconductor memory device'19975,523,622'Semiconductor integrated device having parallel signal lines'19965,508,965'Semiconductor memory device'19965,426,784'Serial to parallel data converting circuit'19955,281,865'Flip-flop circuit'19945,143,974'Low-profile unsaturated polyester resin composition'19924,833,474'A/D converter'19894,784,113'Handy heating container'19884,562,408'Amplifier having a high power source noise repression ratio'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–2018Patents assigned to HITACHI LTD (13)· patent assignee history
1994–2006Based in Iruma, JP· patent location history
1996–2005Patents assigned to FUJITSU LTD (6)· patent assignee history
1996–2006Based in Kasugai, JP· patent location history
2006–2011Patents assigned to SPANSION LLC (6)· patent assignee history
2006–2010Based in Tokyo, JP· patent location history
2010–2011Based in Gifu, JP· patent location history
2012–2015Patents assigned to NAGAI KENJI (4)· patent assignee history
2014–2019Patents assigned to TOKYO ELECTRON LTD (7)· patent assignee history
2015–2019Based in Miyagi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 13 | 1985–2018 |
| TOKYO ELECTRON LTD | 7 | 2014–2019 |
| FUJITSU LTD | 6 | 1996–2005 |
| SPANSION LLC | 6 | 2006–2011 |
| NAGAI KENJIself | 4 | 2012–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Iruma, JP | 10 | 1994–2006 |
| Kasugai, JP | 5 | 1996–2006 |
| Miyagi, JP | 4 | 2015–2019 |
| Gifu, JP | 4 | 2010–2011 |
| Tokyo, JP | 3 | 2006–2010 |