Inventor · disambiguated record
Hirohisa Yamamoto
Also filed as: YAMAMOTO HIROHISA
12 granted patents·1 pending application·104 citations·filing 1990–2018
90Inventor score
Files withMITSUBISHI ELECTRIC CORP4NEC CORP4ELPIDA MEMORY INC3SHARP KK1YAMAMOTO PRECIOUS METAL CO LTD1
Top patents by PatentIndex Score
13 records- 0176US7745303B2Method of manufacturing a semiconductor device and the semiconductor deviceELPIDA MEMORY INC·Filed 2006·Granted Jun 29, 2010·8 cites·6 claims
- 0275US5293508AIon implanter and controlling method thereforMITSUBISHI ELECTRIC CORP·Filed 1992·Granted Mar 8, 1994·28 cites·9 claims
- 0371US7902027B2Method of manufacturing a semiconductor device including recessed-channel-array MOSFET having a higher operational speedELPIDA MEMORY INC·Filed 2009·Granted Mar 8, 2011·4 cites·6 claims
- 0466US6797048B2Method for preparing glass-ceramicYAMAMOTO PRECIOUS METAL CO LTD·Filed 2001·Granted Sep 28, 2004·6 cites·11 claims
- 0554US6624095B1Method for manufacturing a semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Sep 23, 2003·7 cites·6 claims
- 0651US7539731B2Method for automatically sending messages at desired appropriate timings and an automatic message sending service systemNEC CORP·Filed 2004·Granted May 26, 2009·4 cites·18 claims
- 0749US11394512B2Wireless communication terminalNEC CORP·Filed 2018·Granted Jul 19, 2022·0 cites·11 claims
- 0846US2008042195A1Semiconductor device including recessed-channel-array mosfet having a higher operational speedELPIDA MEMORY INC·Filed 2007·Application pending·0 cites
- 0940US5404309ACad apparatus for designing pattern of electric circuitSHARP KK·Filed 1992·Granted Apr 4, 1995·22 cites·4 claims
- 1037US5354986AIon implantation apparatusMITSUBISHI ELECTRIC CORP·Filed 1992·Granted Oct 11, 1994·4 cites·1 claims
- 1135US5734381ACancel undo method and system for tree structure data edition based on hierarchical menu inquiryNEC CORP·Filed 1995·Granted Mar 31, 1998·15 cites·3 claims
- 1232US6631376B1Exchange servicing development support system with a function of automatic replacement of edited contentsNEC CORP·Filed 1999·Granted Oct 7, 2003·3 cites·16 claims
- 1330US5187558AStress reduction structure for a resin sealed semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Feb 16, 1993·3 cites·1 claims
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