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Inventor

Ryoji Akiyama

Inventor
Tokyo, JP

Overview

3→
Patents
2010–2012
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 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 enamels33%
C03BManufacture, shaping, or supplementary processes22%
C09KMaterials for miscellaneous applications, not provided for elsewhere11%
H01JElectric discharge tubes or discharge lamps11%
H05KPrinted circuits11%
Y02PClimate change mitigation technologies in the production or processing of goods11%
PatentTitleYear
8,273,262'Method for etching glass substrate'20128,071,494'Glass substrate for flat panel display, process for producing the same, and display panel employing the same'20117,788,948'Process for producing substrate'2010

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2010–2012Patents assigned to ASAHI GLASS CO LTD (3)· patent assignee history
2010Patents assigned to ASAHI TECHNO GLASS CORP (1)· patent assignee history
2010–2012Based in Tokyo, JP· patent location history
2011–2012Patents assigned to AKIYAMA RYOJI (2)· patent assignee history
2011Patents assigned to AKIE DAIKI (1)· patent assignee history
2011Based in Chiyoda-ku, JP· patent location history
2012Patents assigned to KASE JUNICHIRO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ASAHI GLASS CO LTD32010–2012
AKIYAMA RYOJIself22011–2012
AKIE DAIKI12011
ASAHI TECHNO GLASS CORP12010
KASE JUNICHIRO12012
Locations
LocationPatentsSpan
Tokyo, JP22010–2012
Chiyoda-ku, JP12011