date of invention (Paper 24). Yamada filed an opposition brief
to Chern's principal brief (Paper 27). Chern filed a reply brief
(Paper 30). Yamada filed a principal brief (Paper 28). Yamada's
principal brief does not allege an earlier date of invention.
Yamada's principal brief attacks Chern's case on priority. Chern
filed an opposition to Yamada's principal brief (Paper 29).
Yamada filed a reply (Paper 31). Oral argument was held on 7
December 2001.
B. Findings of fact
1. Chern is involved on the basis of Patent 5,182,529,
('529), granted 26 January 1993, based on application 07/847,331,
filed 6 March 1992.
2. Yamada is involved on the basis of application
07/986,571, filed 7 December 1992.
3. Yamada has been accorded benefit for the purpose of
priority of Japanese application 3-324809, filed 9 December 1991.
4. Chern real party in interest is Micron Technology, Inc.
(Paper 9).
5. Yamada real party in interest is Oki Electric Industry
Co., Ltd. (Paper 5).
6. The interfering subject matter pertains to a ring
oscillator comprising an odd number of inverters.
7. Each inverter has an output and a primary and a
secondary input.
2
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