Power conversion device and air conditioning system including same
US-2026031738-A1 · Jan 29, 2026 · US
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Kojima Hiroki patents
Kojima Hiroki is listed as an inventor on 23 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Kojima Hiroki |
| Total patents | 23 |
| First publication | Apr 6, 2017 |
| Latest publication | Jan 29, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Method for manufacturing optical fiber glass preform
US-12421156-B2 · Sep 23, 2025 · US
Power control system and device
US-12155212-B2 · Nov 26, 2024 · US
Manufacturing apparatus and manufacturing method of porous glass base material
US-11878929-B2 · Jan 23, 2024 · US
Power control system and device
US-2023369856-A1 · Nov 16, 2023 · US
Power control system and device
US-2023327442-A1 · Oct 12, 2023 · US
Power control system, device, and information processing system
US-2023327706-A1 · Oct 12, 2023 · US
Detection system
US-2023080972-A1 · Mar 16, 2023 · US
Method for manufacturing optical fiber glass preform
US-2023023064-A1 · Jan 26, 2023 · US
Fabrication method for porous glass base material for optical fiber
US-11518704-B2 · Dec 6, 2022 · US
Recent patents
Latest publications not already listed above.
Optical fiber
US-11378738-B2 · Jul 5, 2022 · US
Manufacturing apparatus and manufacturing method of porous glass base material
US-2022127181-A1 · Apr 28, 2022 · US
Manufacturing method of glass base material for optical fiber
US-2022081345-A1 · Mar 17, 2022 · US
Optical fiber
US-2021333471-A1 · Oct 28, 2021 · US
Vehicle warning system
US-2020398862-A1 · Dec 24, 2020 · US
Method for producing porous glass deposit for optical fiber
US-10829405-B2 · Nov 10, 2020 · US
Fabrication method for porous glass base material for optical fiber
US-2020255320-A1 · Aug 13, 2020 · US
On-vehicle photographing device
US-2019124239-A1 · Apr 25, 2019 · US
Method for producing porous glass deposit for optical fiber
US-2019106351-A1 · Apr 11, 2019 · US
Drive assisting apparatus
US-10166918-B2 · Jan 1, 2019 · US
Drive assisting apparatus
US-2018111551-A1 · Apr 26, 2018 · US
Method and apparatus for producing optical fiber preform
US-2018044221-A1 · Feb 15, 2018 · US
Apparatus for producing porous glass preform
US-2017096363-A1 · Apr 6, 2017 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Shinetsu Chemical Co | 13 |
| Yazaki Corp | 5 |
| Daikin Ind Ltd | 5 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C03B37/014 | 8 |
| C03B2207/50 | 5 |
| C03B37/0142 | 5 |
| C03B2207/22 | 5 |
| C03B2207/06 | 5 |