Inventor · disambiguated record
Yoshiyuki Asahara
Also filed as: ASAHARA YOSHIYUKI
21 granted patents·255 citations·filing 1974–1991
95Inventor score
Top patents by PatentIndex Score
21 records- 0189US4844724AMethod of adjusting refractive index distribution lensesHOYA CORP·Filed 1987·Granted Jul 4, 1989·61 cites·4 claims
- 0274US4805997AGradient refractive index type anamorphic planar microlens and method of producing the sameHOYA CORP·Filed 1986·Granted Feb 21, 1989·34 cites·6 claims
- 0374US3971723AGlass for Faraday rotator elementHOYA GLASS WORKS LTD·Filed 1974·Granted Jul 27, 1976·14 cites·3 claims
- 0461US4902330AMethod of producing gradient-index lensHOYA CORP·Filed 1988·Granted Feb 20, 1990·21 cites·6 claims
- 0559US4108621AProcess of producing soft aperture filterHOYA GLASS WORKS LTD·Filed 1976·Granted Aug 22, 1978·16 cites·6 claims
- 0658US4525189AProcess for producing glass product having gradient of refractive indexHOYA CORP·Filed 1983·Granted Jun 25, 1985·14 cites·7 claims
- 0755US4844589ALenses having plural contiguous refractive index distribution substrates and method of manufactureHOYA CORP·Filed 1988·Granted Jul 4, 1989·16 cites·3 claims
- 0855US3966447AHeat absorbing sealing method for laser glassHOYA GLASS WORKS LTD·Filed 1974·Granted Jun 29, 1976·11 cites·8 claims
- 0953US5078772AProcess for producing buried waveguide deviceHOYA CORP·Filed 1990·Granted Jan 7, 1992·14 cites·6 claims
- 1046US5122178AProcess for producing glass doped with dispersed microcrystallitesHOYA CORP·Filed 1990·Granted Jun 16, 1992·12 cites·15 claims
- 1140US4060422ASealing glass for glass laserHOYA CORP·Filed 1976·Granted Nov 29, 1977·7 cites·1 claims
- 1238US4767435AProcess for producing transparent glass product having refractive index gradientHOYA CORP·Filed 1986·Granted Aug 30, 1988·6 cites·5 claims
- 1338US4640699AProcess for producing glass product having gradient of refractive indexHOYA CORP·Filed 1985·Granted Feb 3, 1987·6 cites·9 claims
- 1436US4042526ANon-crystalline substance having an optical memory effectHOYA GLASS WORKS LTD·Filed 1975·Granted Aug 16, 1977·2 cites·13 claims
- 1535US4851024AProcess for producing optical glassHOYA CORP·Filed 1988·Granted Jul 25, 1989·5 cites·11 claims
- 1635US3966448ASealing method for laser glassHOYA GLASS WORKS LTD·Filed 1974·Granted Jun 29, 1976·1 cites·6 claims
- 1734US4563205AProcess for the production of slab-shaped lens having gradient of refractive index in thickness direction onlyHOYA CORP·Filed 1984·Granted Jan 7, 1986·4 cites·1 claims
- 1832US4165989AFaraday rotation glassHOYA CORP·Filed 1978·Granted Aug 28, 1979·3 cites·1 claims
- 1931US5043003AProcess for producing glass doped with dispersed mirocrystallitesHOYA CORP·Filed 1990·Granted Aug 27, 1991·3 cites·8 claims
- 2031US4415464AFaraday rotation glassHOYA CORP·Filed 1982·Granted Nov 15, 1983·3 cites·2 claims
- 2130US5125944AProcess for producing buried wave guide deviceHOYA CORP·Filed 1991·Granted Jun 30, 1992·2 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →