Inventor
Yasuhiro Kameyama
Inventor
Machida, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Fprimary
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices54%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests23%
G11BInformation storage based on relative movement between record carrier and transducer8%
H10DInorganic electric semiconductor devices8%
Y10TTechnical subjects covered by former us classification8%
PatentTitleYear
8,092,981'Negative photoresist composition and method of manufacturing array substrate using the same'20126,815,033'Compound, optical recording medium and optical recording method'20045,529,885'Negative photosensitive composition and method for forming patterns using the composition'19965,286,600'Negative photosensitive composition and method for forming a resist pattern by means thereof'19945,168,030'Positive type o-quinone diazide photo-resist containing antistatic agent selected from hydrazones, ethylcarbazole and bis(dimethylamino)benzene'19924,933,257'Positive quinone diazide photo-resist composition with antistatic agent'19904,859,563'Positive photoresist composition'19894,719,167'Positive photoresist composition with 1,2 naphthoquinone diazide and novolak resin condensed from mixture of m-cresol, p-cresol, and 2,5-xylenol with formaldehyde'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–1994Patents assigned to MITSUBISHI CHEM IND (5)· patent assignee history
1988–2012Based in Yokohama, JP· patent location history
1990–1992Patents assigned to MITSUBISHI ELECTRIC CORP (2)· patent assignee history
1990–1996Based in Machida, JP· patent location history
1996–2004Patents assigned to MITSUBISHI CHEM CORP (2)· patent assignee history
2004Based in Kanagawa, JP· patent location history
2012Patents assigned to CHOI SE-JIN (1)· patent assignee history
2012Patents assigned to JUNG YANG-HO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI CHEM IND | 5 | 1988–1994 |
| MITSUBISHI CHEM CORP | 2 | 1996–2004 |
| MITSUBISHI ELECTRIC CORP | 2 | 1990–1992 |
| CHOI SE-JIN | 1 | 2012 |
| JUNG YANG-HO | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Machida, JP | 4 | 1990–1996 |
| Yokohama, JP | 3 | 1988–2012 |
| Kanagawa, JP | 1 | 2004 |