Inventor · disambiguated record
Hidemi Takayama
Also filed as: TAKAYAMA HIDEMI
13 granted patents·1 pending application·237 citations·filing 1997–2011
92Inventor score
Top patents by PatentIndex Score
14 records- 0186US6081389AZoom lens of retrofocus typeCANON KK·Filed 1998·Granted Jun 27, 2000·75 cites·37 claims
- 0282US7224503B2Optical scanning apparatus and image forming apparatus using the sameCANON KK·Filed 2005·Granted May 29, 2007·6 cites·5 claims
- 0381US6501586B1Optical scanning apparatus and image-forming apparatusCANON KK·Filed 2000·Granted Dec 31, 2002·24 cites·14 claims
- 0476US6459520B1Optical scanning apparatus and image forming apparatus using itCANON KK·Filed 1999·Granted Oct 1, 2002·54 cites·29 claims
- 0573US6987594B2Optical scanning apparatusCANON KK·Filed 2004·Granted Jan 17, 2006·15 cites·26 claims
- 0671US6504558B1Image forming apparatus with laser emission controlCANON KK·Filed 2000·Granted Jan 7, 2003·11 cites·28 claims
- 0768US7016092B2Optical scanning apparatus and image forming apparatus using the sameCANON KK·Filed 2005·Granted Mar 21, 2006·3 cites·9 claims
- 0864US9400396B2Diffractive optical element and image pickup optical systemTAKAYAMA HIDEMI·Filed 2011·Granted Jul 26, 2016·2 cites·13 claims
- 0963US7031039B2Optical scanning apparatus and image forming apparatus using the sameCANON KK·Filed 2004·Granted Apr 18, 2006·8 cites·6 claims
- 1063US6519070B2Optical scanning apparatus, multi-beam optical scanning apparatus, and image forming apparatus using the sameCANON KK·Filed 2000·Granted Feb 11, 2003·9 cites·25 claims
- 1159US5896472AImage forming apparatusCANON KK·Filed 1997·Granted Apr 20, 1999·23 cites·10 claims
- 1246US2010134889A1Diffractive optical element, optical system and optical apparatusCANON KK·Filed 2009·Application pending·0 cites
- 1340US9335557B2Diffractive optical element having high diffraction efficiency at plural wavelengths and image-pickup optical system using the sameTAKAYAMA HIDEMI·Filed 2011·Granted May 10, 2016·0 cites·6 claims
- 1440US6239885B1Image reading apparatus and adjusting method for the sameCANON KK·Filed 1998·Granted May 29, 2001·7 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when Hidemi Takayama 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 →