Imaging optical system
US-2025189769-A1 · Jun 12, 2025 · US
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Seki Daisuke patents
Seki Daisuke is listed as an inventor on 44 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Seki Daisuke |
| Total patents | 44 |
| First publication | Jan 29, 2015 |
| Latest publication | Jun 12, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Imaging optical system
US-12174343-B2 · Dec 24, 2024 · US
Imaging optical system
US-2022326485-A1 · Oct 13, 2022 · US
Lens for headlamps of vehicles and method of using lens for headlamps of vehicles
US-11421847-B2 · Aug 23, 2022 · US
Diffuser
US-11340387-B2 · May 24, 2022 · US
Diffuser
US-11327206-B2 · May 10, 2022 · US
Optical system for line generator and line generator
US-2022082845-A1 · Mar 17, 2022 · US
Illumination optical system
US-11248770-B2 · Feb 15, 2022 · US
Illumination optical system
US-2021080075-A1 · Mar 18, 2021 · US
Diffuser
US-2020363569-A1 · Nov 19, 2020 · US
Recent patents
Latest publications not already listed above.
Imaging optical system
US-10831001-B2 · Nov 10, 2020 · US
Diffuser
US-2019353831-A1 · Nov 21, 2019 · US
Lens for headlamps of vehicles and method of using lens for headlamps of vehicles
US-2019338908-A1 · Nov 7, 2019 · US
Microlens array and optical system including the same
US-10443811-B2 · Oct 15, 2019 · US
Microlens array
US-10429551-B2 · Oct 1, 2019 · US
Diffuser and method for manufacturing the same
US-10393927-B2 · Aug 27, 2019 · US
Imaging optical system
US-2019049704-A1 · Feb 14, 2019 · US
Manufacturing method for sliding bearing, and sliding bearing
US-10054153-B2 · Aug 21, 2018 · US
Sliding bearing
US-10054162-B2 · Aug 21, 2018 · US
Sliding bearing manufacturing method and sliding bearing
US-2018119739-A1 · May 3, 2018 · US
Half bearing
US-9951807-B2 · Apr 24, 2018 · US
Combination of image display device and diffractive optical filter and manufacturing method of the same
US-2018088349-A1 · Mar 29, 2018 · US
Sliding bearing manufacturing method and sliding bearing
US-2018045241-A1 · Feb 15, 2018 · US
Sliding bearing
US-2018038416-A1 · Feb 8, 2018 · US
Sliding bearing
US-2018031032-A1 · Feb 1, 2018 · US
Manufacturing method for sliding bearing, and sliding bearing
US-2018031030-A1 · Feb 1, 2018 · US
Slide bearing
US-2018031031-A1 · Feb 1, 2018 · US
Diffuser and method for manufacturing the same
US-2018024280-A1 · Jan 25, 2018 · US
Optical element, illumination device including the optical element, and illumination module including the illumination device
US-9857051-B2 · Jan 2, 2018 · US
Half bearing
US-2017276168-A1 · Sep 28, 2017 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Nalux Co Ltd | 32 |
| Taiho Kogyo Co Ltd | 10 |
| Ikemori Keiji | 3 |
| Stanley Electric Co Ltd | 2 |
| Flir Systems | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F16C9/02 | 10 |
| F16C17/022 | 10 |
| F16C33/046 | 10 |
| F21V5/04 | 8 |
| F16C33/1065 | 8 |