Vehicular headlamp
US-2025381907-A1 · Dec 18, 2025 · US
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Tanaka Hidetada patents
Tanaka Hidetada is listed as an inventor on 56 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Tanaka Hidetada |
| Total patents | 56 |
| First publication | Apr 16, 2015 |
| Latest publication | Dec 18, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Vehicle headlamp
US-2025251107-A1 · Aug 7, 2025 · US
Vehicle lamp
US-2025229699-A1 · Jul 17, 2025 · US
Vehicle headlight
US-12097799-B2 · Sep 24, 2024 · US
Vehicle headlight
US-2023151942-A1 · May 18, 2023 · US
Optical unit
US-11573000-B2 · Feb 7, 2023 · US
Optical unit
US-11441753-B2 · Sep 13, 2022 · US
Optical unit
US-2022221124-A1 · Jul 14, 2022 · US
Rotating reflector, optical unit, support component, vehicle headlamp system, method of manufacturing rotating reflector
US-11346520-B2 · May 31, 2022 · US
Optical unit and method for determining reflection plane
US-11280466-B2 · Mar 22, 2022 · US
Recent patents
Latest publications not already listed above.
Optical unit
US-2021317968-A1 · Oct 14, 2021 · US
Optical unit and method for determining reflection plane
US-2021310630-A1 · Oct 7, 2021 · US
Rotating reflector, optical unit, support component, vehicle headlamp system, method of manufacturing rotating reflector
US-2021231286-A1 · Jul 29, 2021 · US
Vehicle lamp, vehicle lamp control system, and vehicle provided with vehicle lamp and vehicle lamp control system
US-10775011-B2 · Sep 15, 2020 · US
Road surface image-drawing system for vehicle
US-10741083-B2 · Aug 11, 2020 · US
Vehicle lamp including rotary reflector
US-10670216-B2 · Jun 2, 2020 · US
Lighting circuit and vehicular lighting device
US-10661701-B2 · May 26, 2020 · US
Optical unit
US-10634303-B2 · Apr 28, 2020 · US
Optical unit
US-2020080701-A1 · Mar 12, 2020 · US
Optical unit
US-10479264-B2 · Nov 19, 2019 · US
Lamp unit and vehicle headlamp
US-10359169-B2 · Jul 23, 2019 · US
Vehicle lamp, vehicle lamp control system, and vehicle provided with vehicle lamp and vehicle lamp control system
US-2019113197-A1 · Apr 18, 2019 · US
Optical unit and vehicle lamp
US-10208911-B2 · Feb 19, 2019 · US
Road surface image-drawing system for vehicle
US-2019051185-A1 · Feb 14, 2019 · US
Optical unit
US-10180222-B2 · Jan 15, 2019 · US
Optical unit
US-2019009705-A1 · Jan 10, 2019 · US
Optical unit
US-2018335192-A1 · Nov 22, 2018 · US
Road surface image-drawing system for vehicle
US-10134283-B2 · Nov 20, 2018 · US
Vehicle lamp and vehicle having the vehicle lamp
US-10082267-B2 · Sep 25, 2018 · US
Optical unit
US-2018112845-A1 · Apr 26, 2018 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Koito Mfg Co Ltd | 56 |
| Tanaka Hidetada | 2 |
| Inoue Takashi | 2 |
| Yagi Takayuki | 1 |
| Kato Ken | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F21S41/148 | 32 |
| F21S41/675 | 31 |
| F21S41/663 | 31 |
| F21S41/255 | 26 |
| F21S41/151 | 22 |