Optical product and light concentrator
US-2023408732-A1 · Dec 21, 2023 · US
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Nishimoto Keiji patents
Nishimoto Keiji is listed as an inventor on 9 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Nishimoto Keiji |
| Total patents | 9 |
| First publication | Jul 21, 2016 |
| Latest publication | Dec 21, 2023 |
Notable patents
Publications ranked by popularity score, then publication date.
Spectacle lens and spectacles
US-11402666-B2 · Aug 2, 2022 · US
Spectacle lens that reflects blue light, and spectacles equipped with the spectacle lens
US-10690944-B2 · Jun 23, 2020 · US
Spectacle lens, method of manufacturing the same, and spectacles
US-10393925-B2 · Aug 27, 2019 · US
Spectacle lens, method of manufacturing the same, and spectacles
US-2018017716-A1 · Jan 18, 2018 · US
Spectacle lens and spectacles
US-2017299896-A1 · Oct 19, 2017 · US
Spectacle lens and spectacles
US-2017242273-A1 · Aug 24, 2017 · US
Spectacle lens and method for producing same
US-2016209678-A1 · Jul 21, 2016 · US
Spectacle lens
US-2016209679-A1 · Jul 21, 2016 · US
Recent patents
Latest publications not already listed above.
No data yet.
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Hoya Lens Thailand Ltd | 6 |
| Hoya Corp | 2 |
| Tokai Optical Co Ltd | 1 |
| National Univ Corporation Tokai National Higher Education And Research System | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G02C7/104 | 6 |
| G02C7/107 | 6 |
| G02B5/26 | 5 |
| G02C2202/16 | 4 |
| G02B5/28 | 4 |