Inventor · disambiguated record
Shigekazu Minagawa
Also filed as: MINAGAWA SHIGEKAZU
5 granted patents·70 citations·filing 1986–1993
81Inventor score
Files withHITACHI LTD5
Top patents by PatentIndex Score
5 records- 0162US4794606AOpto-electronic deviceHITACHI LTD·Filed 1988·Granted Dec 27, 1988·13 cites·11 claims
- 0261US4841531ASemiconductor laser deviceHITACHI LTD·Filed 1988·Granted Jun 20, 1989·13 cites·3 claims
- 0353US5157679AOptoelectronic devicesHITACHI LTD·Filed 1991·Granted Oct 20, 1992·15 cites·17 claims
- 0447US4746192ADiffraction grating and process for producing the sameHITACHI LTD·Filed 1986·Granted May 24, 1988·13 cites·11 claims
- 0545US5300793AHetero crystalline structure and semiconductor device using itHITACHI LTD·Filed 1993·Granted Apr 5, 1994·16 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →