Inventor
Jun Akiyama
Inventor
Kashihara, JP
Overview
Patents· 35 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 transducer23%
B24BMachines, devices, or processes for grinding or polishing5%
C04BLime, magnesia4%
C09JAdhesives4%
F24FAir-conditioning4%
G08CTransmission systems for measured values, control or similar signals4%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light4%
B28BShaping clay or other ceramic compositions3%
C03CChemical composition of glasses, glazes or vitreous enamels3%
C08LCompositions of macromolecular compounds3%
PatentTitleYear
10,822,264Alkali-free glass substrate and method for manufacturing alkali-free glass substrate202010,809,424Glass sheet composite, diaphragm using the same, and image projection structure202010,551,080Household electrical appliance and household electrical system20209,902,645'Non-alkali glass'20189,791,162'Household electrical appliance and household electrical system'20179,542,836'Household electric appliance, household electric system, and server apparatus'20179,384,888'Transparent polycrystalline material and production process for the same'20169,188,738'Translucent polycrystalline material and manufacturing method thereof'20158,883,926'Acrylic pressure-sensitive adhesive composition for optical use and acrylic pressure-sensitive adhesive tape for optical use'20148,710,139'Acrylic pressure-sensitive adhesive composition, acrylic pressure-sensitive adhesive layer, and acrylic pressure-sensitive adhesive tape'20148,623,961'Optical acrylic pressure-sensitive adhesive composition and optical acrylic pressure-sensitive adhesive tape'20148,514,674'Optical information recording medium reproducing apparatus, method for reproducing optical information recording medium, program for reproducing optical information recording medium, and computer readable recording medium'20138,470,724'Transparent polycrystalline material and production process for the same'20138,036,073'Storage medium managing device, storage medium managing program, and computer-readable medium'20117,974,168'Data storage medium reproducing device and method for reproducing data storage medium'20117,564,756'Reproduction device and method wherein detection of sub-data generated within a controlled time period controls appropriate decryption'20097,206,351'Signal evaluation devices and signal evaluation methods, signal quality evaluation methods and reproducing devices and recording devices'20077,126,894'Optical disk apparatus and method for adjusting optical disk apparatus laser power'20067,080,313'Signal evaluation apparatus and signal evaluation method'20066,909,677'Optical disk, optical reproduction device, and optical recording device'20056,392,970'Reproducing light quantity control method for optical memory device, and reproducing light quantity control device, and optical recording medium'20026,065,094'Inexpensive compressed data storage apparatus with improved resistance to vibrations'20006,019,669'Lens shape measuring apparatus'20005,984,763'Lens shape measuring apparatus'19995,895,314'Lens shape measuring apparatus'19995,764,607'Method and apparatus for controlling digital copying of digitally recorded information'19985,712,835'Track jump device and information recording medium driving apparatus'19985,594,992'Apparatus for measuring a lens frame configuration'19975,555,229'Method and arrangement for recording/reproducing compressed program information on a recording medium containing a plurality of programs'19965,500,839'Multiple coil magnetic head for magnetic optical recording device'19965,457,667'Data recording/reproducing apparatus with alternating access of compressed works'19955,343,452'Data recording/reproducing apparatus of simultaneously performing both reproducing and recording from and in a single recording medium'19945,315,571'Information recording and reproducing device providing faster access time to a recording medium'19944,735,526'Method for installing offshore jack-up structures'19884,527,087'Fluorescent lamp'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–2013Patents assigned to SHARP KK (17)· patent assignee history
1994–2011Based in Kashihara, JP· patent location history
1997–2000Patents assigned to TOPCON CORP (4)· patent assignee history
1997–2020Based in Tokyo, JP· patent location history
2013–2015Patents assigned to AKIYAMA JUN (5)· patent assignee history
2013–2016Patents assigned to GENESIS RES INST INC (3)· patent assignee history
2013–2015Based in Okazaki, JP· patent location history
2014Patents assigned to NITTO DENKO CORP (3)· patent assignee history
2014Based in Ibaraki, JP· patent location history
2017–2020Based in Shiga, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHARP KK | 17 | 1994–2013 |
| AKIYAMA JUNself | 5 | 2013–2015 |
| TOPCON CORP | 4 | 1997–2000 |
| GENESIS RES INST INC | 3 | 2013–2016 |
| NITTO DENKO CORP | 3 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kashihara, JP | 15 | 1994–2011 |
| Tokyo, JP | 7 | 1997–2020 |
| Shiga, JP | 3 | 2017–2020 |
| Okazaki, JP | 2 | 2013–2015 |
| Ibaraki, JP | 2 | 2014 |