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Yorktown Heights, NY, United States of America

Johannes M Stork

USPTO Granted Patents = 10

Average Co-Inventor Count = 2.9

ph-index = 9

Forward Citations = 246(Granted Patents)

Company Filing History:

10 out of 164,108

International Business Machines Corporation

Years Active: 1988-1999

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10 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 6004137 - Method of making graded channel effect transistor (1999-12-21),

2. 5821577 - Graded channel field effect transistor (1998-10-13),

3. 5777364 - Graded channel field effect transistor (1998-07-07),

4. 5352912 - Graded bandgap single-crystal emitter heterojunction bipolar transistor (1994-10-04),

5. 5340753 - Method for fabricating self-aligned epitaxial base transistor (1994-08-23),

6. 5119157 - Semiconductor device with self-aligned contact to buried subcollector (1992-06-02),

7. 5101256 - Bipolar transistor with ultra-thin epitaxial base and method of (1992-03-31),

8. 5024957 - Method of fabricating a bipolar transistor with ultra-thin epitaxial base (1991-06-18),

9. 4951115 - Complementary transistor structure and method for manufacture (1990-08-21),

10. 4738624 - Bipolar transistor structure with self-aligned device and isolation and (1988-04-19),

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