Inventor
Masabumi Ito
Inventor
Tokyo, JP
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C03Cprimary
C03CChemical composition of glasses, glazes or vitreous enamels22%
B82YSpecific uses or applications of nanostructures19%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices19%
B24BMachines, devices, or processes for grinding or polishing13%
Y10TTechnical subjects covered by former us classification9%
B28DWorking stone or stone-like materials3%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%
G11BInformation storage based on relative movement between record carrier and transducer3%
G21KHandling of particles or ionising radiation not otherwise provided for3%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h103%
PatentTitleYear
8,524,422'Low expansion glass substrate for reflection type mask and method for processing same'20138,148,037'Optical component for EUVL and smoothing method thereof'20128,137,574'Processing method of glass substrate, and highly flat and highly smooth glass substrate'20128,070,557'Method of polishing glass substrate'20117,959,493'Method for polishing glass substrate and process for producing glass substrate'20117,923,178'Glass substrate for mask blank and method of polishing for producing the same'20117,901,843'Process for smoothing surface of glass substrate'20117,771,603'Process for polishing glass substrate'20107,629,089'Low-expansion glass substrate for a reflective mask and reflective mask'20097,622,050'Process for polishing glass substrate'20095,538,579'Method of processing a plurality of glass plates or the like into a circular shape or a method of perforating a plurality of the same material'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2013Patents assigned to ASAHI GLASS CO LTD (11)· patent assignee history
1996–2010Based in Yokohama, JP· patent location history
2011–2013Patents assigned to ITO MASABUMI (4)· patent assignee history
2011–2013Patents assigned to KOJIMA HIROSHI (3)· patent assignee history
2011–2013Based in Tokyo, JP· patent location history
2011Based in Chiyoda-ku, JP· patent location history
2012Patents assigned to ONO MOTOSHI (1)· patent assignee history
2013Patents assigned to OKAMURA KENJI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ASAHI GLASS CO LTD | 11 | 1996–2013 |
| ITO MASABUMIself | 4 | 2011–2013 |
| KOJIMA HIROSHI | 3 | 2011–2013 |
| OKAMURA KENJI | 1 | 2013 |
| ONO MOTOSHI | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 6 | 2011–2013 |
| Yokohama, JP | 4 | 1996–2010 |
| Chiyoda-ku, JP | 1 | 2011 |