Inventor
KURAMATA AKITO
JP19 patents
⚠️ This page may combine multiple inventors who share the name “KURAMATA AKITO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
10 patentsUS6606335B1Aug 12, 2003
Semiconductor laser, semiconductor device, and their manufacture methods
FUJITSU LTD102 citations96
US6555403B1Apr 29, 2003
Semiconductor laser, semiconductor light emitting device, and methods of manufacturing the same
FUJITSU LTD134 citations95
US5850410ADec 15, 1998
Semiconductor laser and method for fabricating the same
FUJITSU LTD34 citations92
US5408487AApr 18, 1995
Semiconductor laser
FUJITSU LTD38 citations91
US6661822B1Dec 9, 2003
Semiconductor light emitting device and method of manufacturing the same
FUJITSU LTD18 citations83
US6984840B2Jan 10, 2006
Optical semiconductor device having an epitaxial layer of III-V compound semiconductor material containing N as a group V element
FUJITSU LTD17 citations82
US5379720AJan 10, 1995
Process for growing semiconductor crystal
FUJITSU LTD9 citations73
US6943422B2Sep 13, 2005
Semiconductor photodetecting device and method for fabricating the same
FUJITSU LTD5 citations72
US7507600B2Mar 24, 2009
Semiconductor photodetecting device and method for fabricating the same
FUJITSU LTD2 citations61
US6990261B2Jan 24, 2006
Optical circuit device and method for fabricating the same
FUJITSU LTD0 citations51
TAMURA SEISAKUSHO KK
8 patentsUS9412882B2Aug 9, 2016
Schottky barrier diode
TAMURA SEISAKUSHO KK10 citations91
US10600874B2Mar 24, 2020
Schottky barrier diode
TAMURA SEISAKUSHO KK3 citations83
US9595586B2Mar 14, 2017
Schottky barrier diode
TAMURA SEISAKUSHO KK5 citations83
US9171967B2Oct 27, 2015
Schottky barrier diode
TAMURA SEISAKUSHO KK9 citations83
US10230007B2Mar 12, 2019
Semiconductor element, method for manufacturing same, semiconductor substrate, and crystal laminate structure
TAMURA SEISAKUSHO KK4 citations72
US12557361B2Feb 17, 2026
Schottky barrier diode with high withstand voltage
TAMURA SEISAKUSHO KK0 citations61
US11264466B2Mar 1, 2022
Schottky barrier diode
TAMURA SEISAKUSHO KK0 citations61
US11264241B2Mar 1, 2022
Semiconductor substrate, semiconductor element and method for producing semiconductor substrate
TAMURA SEISAKUSHO KK0 citations60