Inventor · disambiguated record
Toru Ishimasa
Also filed as: ISHIMASA TORU
19 granted patents·4 pending applications·27 citations·filing 2007–2025
90Inventor score
Top patents by PatentIndex Score
23 records- 0178US7576931B2Driving unit for optical pick-up including lensNIDEC COPAL CORP·Filed 2007·Granted Aug 18, 2009·6 cites·6 claims
- 0274US8837061B2Lens barrel and imaging apparatusCANON KK·Filed 2012·Granted Sep 16, 2014·3 cites·7 claims
- 0369US10948687B2Interchangeable lens and camera systemCANON KK·Filed 2019·Granted Mar 16, 2021·1 cites·8 claims
- 0469US2025314849A1Optical apparatusCANON KK·Filed 2025·Application pending·0 cites
- 0568US8390735B2Image pick-up apparatus having rotating shutter blades that move in mutually opposite directions for picking up a static imageISHIMASA TORU·Filed 2010·Granted Mar 5, 2013·2 cites·5 claims
- 0667US8974129B2Barrier device, lens barrel, and imaging apparatus including sameCANON KK·Filed 2014·Granted Mar 10, 2015·2 cites·9 claims
- 0765US8238737B2Lens barrel that changes focal length and image pickup apparatus equipped with lens barrelISHIMASA TORU·Filed 2010·Granted Aug 7, 2012·2 cites·2 claims
- 0864US8908088B2Image pick-up apparatus capable of correcting shading due to a closing travel operation of a shutter to pick up static imageCANON KK·Filed 2013·Granted Dec 9, 2014·1 cites·5 claims
- 0964US7652834B2Driving unit for optical pick-up including lensNIDEC COPAL CORP·Filed 2007·Granted Jan 26, 2010·4 cites·7 claims
- 1062US2025224588A1Lens apparatus and image pickup apparatusCANON KK·Filed 2024·Application pending·0 cites
- 1160US8983284B2Lens barrel and image pickup apparatus including the sameCANON KK·Filed 2013·Granted Mar 17, 2015·1 cites·9 claims
- 1260US8861098B2Lens barrel and imaging apparatusISHIMASA TORU·Filed 2012·Granted Oct 14, 2014·1 cites·12 claims
- 1357US8243373B2Lens barrel and imaging apparatusISHIMASA TORU·Filed 2009·Granted Aug 14, 2012·2 cites·10 claims
- 1454US12429677B2Optical apparatus and image-capturing apparatusCANON KK·Filed 2022·Granted Sep 30, 2025·0 cites·12 claims
- 1554US2025180853A1Lens apparatus and imaging systemCANON KK·Filed 2024·Application pending·0 cites
- 1653US12443002B2Optical apparatus, image stabilization device, lens barrel, and image pickup apparatusCANON KK·Filed 2022·Granted Oct 14, 2025·0 cites·9 claims
- 1750US8625980B2Lens barrel that changes focal length and image pickup apparatus equipped with lens barrelISHIMASA TORU·Filed 2012·Granted Jan 7, 2014·0 cites·6 claims
- 1846US9400369B2Optical apparatusCANON KK·Filed 2014·Granted Jul 26, 2016·0 cites·6 claims
- 1945US7974024B2Lens driving deviceNIDEX COPAL CORP·Filed 2007·Granted Jul 5, 2011·2 cites·9 claims
- 2044US8218406B2Lens driving apparatusOE HARUKI·Filed 2009·Granted Jul 10, 2012·0 cites·14 claims
- 2142US8905656B2Lens barrel and camera including lens barrelISHIMASA TORU·Filed 2012·Granted Dec 9, 2014·0 cites·16 claims
- 2235US10025059B2Optical apparatusCANON KK·Filed 2015·Granted Jul 17, 2018·0 cites·6 claims
- 2335US2017168260A1Lens barrel, optical device, and imaging apparatusCANON KK·Filed 2016·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Toru Ishimasa 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 →