Inventor · disambiguated record
Keiichi Yabusaki
Also filed as: YABUSAKI KEIICHI
4 granted patents·2 pending applications·30 citations·filing 2000–2003
73Inventor score
Technology areasH01S
Top patents by PatentIndex Score
6 records- 0177US6549554B2Semiconductor laser element, semiconductor etchant, and method of fabricating the semiconductor laser elementFURUKAWA ELECTRIC CO LTD·Filed 2001·Granted Apr 15, 2003·16 cites·34 claims
- 0264US6335216B1Method for fabricating a semiconductor optical device having a ridge stripeTHE FURUKAWA·Filed 2000·Granted Jan 1, 2002·10 cites·7 claims
- 0356US6847055B2Semiconductor devices, and methods of manufacture of the sameFURUKAWA ELECTRIC CO LTD·Filed 2003·Granted Jan 25, 2005·4 cites·12 claims
- 0438US6853664B2Semiconductor laser element, semiconductor etchant, and method of fabricating the semiconductor laser elementFURUKAWA ELECTRIC CO LTD·Filed 2003·Granted Feb 8, 2005·0 cites·20 claims
- 0538US2002096685A1Semiconductor devices, and methods of manufacture of the sameFiled 2001·Application pending·0 cites
- 0634US2002117680A1Semiconductor device and method of manufacture of the semiconductor deviceFiled 2001·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Keiichi Yabusaki files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →