Inventor · disambiguated record
Shigeru Sakuma
Also filed as: SAKUMA SHIGERU
17 granted patents·3 pending applications·577 citations·filing 1990–2004
95Inventor score
Top patents by PatentIndex Score
20 records- 0194US6201634B1Optical element made from fluoride single crystal, method for manufacturing optical element, method for calculating birefringence of optical element and method for determining direction of minimum birefringence of optical elementNIKON CORP·Filed 1999·Granted Mar 13, 2001·132 cites·4 claims
- 0287US6782074B2Optical member for photolithography and method for evaluating the sameNIKON CORP·Filed 2002·Granted Aug 24, 2004·28 cites·21 claims
- 0385US6377332B1Optical member for photolithography and photolithography apparatusNIKON CORP·Filed 2000·Granted Apr 23, 2002·28 cites·22 claims
- 0484US6411384B2Optical element made from fluoride single crystal, method for manufacturing optical element, method for calculating birefringence of optical element and method for determining direction of minimum birefringence of optical elementNIKON CORP·Filed 2000·Granted Jun 25, 2002·28 cites·11 claims
- 0582US6332922B1Manufacturing method for calcium fluoride and calcium fluoride for photolithographyNIKON CORP·Filed 1999·Granted Dec 25, 2001·37 cites·12 claims
- 0680US6317605B1Mobile communications systemNEC CORP·Filed 1997·Granted Nov 13, 2001·97 cites·15 claims
- 0779US6847628B1High throughput TDMA/TDD diversity communication by assembling time slots into downlink burst groups corresponding to selected antennasNEC CORP·Filed 2000·Granted Jan 25, 2005·22 cites·9 claims
- 0876US4969355AApparatus for measuring tire uniformityTOYODA CHUO KENKYUSHO KK·Filed 1990·Granted Nov 13, 1990·39 cites·11 claims
- 0973US6061174AImage-focusing optical system for ultraviolet laserNIKON CORP·Filed 1998·Granted May 9, 2000·32 cites·19 claims
- 1072US6671331B1Carrier detecting circuit for detecting the level of a received signal and communication apparatusNEC CORP·Filed 1999·Granted Dec 30, 2003·42 cites·18 claims
- 1169US6994747B2Method for producing optical memberNIKON CORP·Filed 2002·Granted Feb 7, 2006·9 cites·16 claims
- 1262US6811606B2Manufacturing method for calcium fluoride and calcium fluoride for photolithographyNIKON CORP·Filed 2001·Granted Nov 2, 2004·7 cites·14 claims
- 1362US5665922ABending strain measurement apparatus for an abdomen of an anthropomorphic dummy and abdominal injury presumption apparatus using the sameTOYODA CHUO KENKYUSHO KK·Filed 1995·Granted Sep 9, 1997·24 cites·25 claims
- 1460US5978070AProjection exposure apparatusNIKON CORP·Filed 1998·Granted Nov 2, 1999·15 cites·9 claims
- 1549US6639909B1Receiver having functions for cancelling DC offset and measuring carrier detection threshold value, and control method thereofNEC CORP·Filed 1999·Granted Oct 28, 2003·16 cites·11 claims
- 1646US2004237880A1Method for manufacturing an optical member formed of a fluoride crystalNIKON CORP·Filed 2003·Application pending·0 cites
- 1744US6212371B1Mobile wireless terminal and power controlling methodNEC CORP·Filed 1999·Granted Apr 3, 2001·15 cites·12 claims
- 1841US2004223212A1Fluoride crystal material for optical element to be used for photolithography apparatus and method for producing the sameNIKON CORP·Filed 2004·Application pending·0 cites
- 1936US5940405AHigh-speed two-way multiplex data communication system and data communication device used thereinNEC CORP·Filed 1996·Granted Aug 17, 1999·6 cites·9 claims
- 2030US2004005266A1Optical member, process for producing the same, and projection alignerFiled 2001·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →