Inventor
Leon H. Kaplan
Inventor
Yorktown Heights, NY, US
Overview
Patents· 10 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 devices69%
Y10TTechnical subjects covered by former us classification15%
C04BLime, magnesia8%
LOC148%
PatentTitleYear
D0921014Display screen or portion thereof with graphical user interface20215,573,875'Laser ablation mask and method of fabrication'19965,254,202'Fabrication of laser ablation masks by wet etching'19934,497,891'Dry-developed, negative working electron resist system'19854,414,314'Resolution in optical lithography'19834,307,178'Plasma develoment of resists'19814,259,430'Photoresist O-quinone diazide containing composition and resist mask formation process'1981T0973008'Method for removing layers of organic material'19784,036,644'Photoresist process and photosensitive O-quinone diazide article with aliphatic carboxylic acid as adhesion promotor'19774,007,047'Modified processing of positive photoresists'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1996Patents assigned to IBM (8)· patent assignee history
1977–1996Based in Yorktown Heights, NY, US· patent location history
1983Based in Yorktown, NY, US· patent location history
2021Patents assigned to SALESFORCE COM INC (1)· patent assignee history
2021Based in Piedmont, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IBM | 8 | 1977–1996 |
| SALESFORCE COM INC | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yorktown Heights, New York, US | 8 | 1977–1996 |
| Piedmont, California, US | 1 | 2021 |
| Yorktown, New York, US | 1 | 1983 |