Inventor · disambiguated record
Daichi Sakai
Also filed as: SAKAI DAICHI
6 granted patents·11 pending applications·33 citations·filing 2009–2017
79Inventor score
Top patents by PatentIndex Score
17 records- 0186US9519109B2Substrate with lens and production method therefor, and optical waveguide with lensHITACHI CHEMICAL CO LTD·Filed 2013·Granted Dec 13, 2016·7 cites·6 claims
- 0286US9442251B2Optical waveguide with mirror, optical fiber connector, and manufacturing method thereofHITACHI CHEMICAL CO LTD·Filed 2012·Granted Sep 13, 2016·14 cites·20 claims
- 0374US9513434B2Optical waveguide and manufacturing method thereofHITACHI CHEMICAL CO LTD·Filed 2012·Granted Dec 6, 2016·4 cites·22 claims
- 0474US8891921B2Optical waveguideSAKAI DAICHI·Filed 2011·Granted Nov 18, 2014·5 cites·15 claims
- 0571US8818147B2Optical waveguide substrate and method for manufacturing sameKURODA TOSHIHIRO·Filed 2010·Granted Aug 26, 2014·3 cites·7 claims
- 0654US2016170096A1Lens member manufacturing method, lens member, curved surface shape pattern manufacturing method, and resin film for forming curved surface shape patternHITACHI CHEMICAL CO LTD·Filed 2014·Application pending·0 cites
- 0751US2016280829A1Resin composition for forming optical waveguide, resin film for forming optical waveguide, and optical waveguide using the sameHITACHI CHEMICAL CO LTD·Filed 2013·Application pending·0 cites
- 0849US2011013865A1Method of manufacturing wiring board, method of manufacturing optoelectric composite member, and method of manufacturing optoelectric composite boardSHIBATA TOMOAKI·Filed 2009·Application pending·0 cites
- 0947US2017010413A1Optical waveguide and manufacturing method thereofHITACHI CHEMICAL CO LTD·Filed 2016·Application pending·0 cites
- 1046US2016209591A1Method for manufacturing optical member, and optical member, transparent member for forming optical member, optical waveguide and optical moduleHITACHI CHEMICAL CO LTD·Filed 2013·Application pending·0 cites
- 1143US2016209743A1Photosensitive resin composition for forming member having curved shape, photosensitive resin film for forming member having curved shape using said composition, and lens member manufactred using said composition or said filmHITACHI CHEMICAL CO LTD·Filed 2014·Application pending·0 cites
- 1242US10303047B2Optical integrator and video projection device using sameHITACHI CHEMICAL CO LTD·Filed 2015·Granted May 28, 2019·0 cites·12 claims
- 1337US2016252675A1Optical waveguide, optical waveguide manufacturing method, and optical moduleSAKAI DAICHI·Filed 2013·Application pending·0 cites
- 1436US2019004408A1Optical mixer and multi-wavelength homogeneous light source using the sameHITACHI CHEMICAL CO LTD·Filed 2017·Application pending·0 cites
- 1534US2015139589A1Optical fiber connector, method for manufacturing optical fiber connector, method for connecting optical fiber connector and optical fiber, and assembled body of optical fiber connector and optical fiberSAKAI DAICHI·Filed 2012·Application pending·0 cites
- 1634US2018203338A1Illumination Device, Illumination Method, and Video Projection Apparatus Using the SameHITACHI CHEMICAL CO LTD·Filed 2015·Application pending·0 cites
- 1733US2017371100A1Optical waveguide and manufacturing method thereof, optical device using the optical waveguideHITACHI CHEMICAL CO LTD·Filed 2015·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Daichi Sakai 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 →