Speed reducer
US-D1109202-S · Jan 13, 2026 · US
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Handa Jun patents
Handa Jun is listed as an inventor on 46 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Handa Jun |
| Total patents | 46 |
| First publication | Aug 13, 2015 |
| Latest publication | Jan 13, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Strain wave gearing
US-12215768-B2 · Feb 4, 2025 · US
Strain wave gearing
US-12018740-B2 · Jun 25, 2024 · US
Strain wave gearing
US-2024044400-A1 · Feb 8, 2024 · US
Strain wave gearing
US-2024044401-A1 · Feb 8, 2024 · US
Strain wave gearing unit
US-2023035665-A1 · Feb 2, 2023 · US
Speed reducer
US-D971978-S · Dec 6, 2022 · US
Rotation transmission mechanism provided with strain wave gearing
US-11441650-B2 · Sep 13, 2022 · US
Rotation transmission mechanism provided with strain wave gearing
US-11391351-B2 · Jul 19, 2022 · US
Dual-type strain wave gearing
US-11280370-B2 · Mar 22, 2022 · US
Recent patents
Latest publications not already listed above.
Strain wave gearing unit
US-2021404544-A1 · Dec 30, 2021 · US
Speed reducer
US-D937332-S · Nov 30, 2021 · US
Dual-type strain wave gearing
US-11092223-B2 · Aug 17, 2021 · US
Flat strain wave gearing
US-11028915-B2 · Jun 8, 2021 · US
Rotation transmission mechanism provided with strain wave gearing
US-11002349-B2 · May 11, 2021 · US
Rotation transmission mechanism provided with strain wave gearing
US-2021033178-A1 · Feb 4, 2021 · US
Rotation transmission mechanism provided with strain wave gearing
US-2021033177-A1 · Feb 4, 2021 · US
Wave generator for strain wave gearing
US-10907716-B2 · Feb 2, 2021 · US
Strain wave gearing and wave generator
US-10634230-B2 · Apr 28, 2020 · US
Dual-type strain wave gearing
US-2020056653-A1 · Feb 20, 2020 · US
Variable compression ratio mechanism for internal combustion engine
US-10400667-B2 · Sep 3, 2019 · US
Variable compression ratio mechanism for internal combustion engine
US-10400666-B2 · Sep 3, 2019 · US
Flat strain wave gearing
US-10393227-B2 · Aug 27, 2019 · US
Dual-type strain wave gearing
US-2019203819-A1 · Jul 4, 2019 · US
Dual-type strain wave gearing
US-10309513-B2 · Jun 4, 2019 · US
Dual-type strain wave gearing
US-10295037-B2 · May 21, 2019 · US
Dual-type strain wave gearing
US-10253862-B2 · Apr 9, 2019 · US
Dual-type strain wave gearing
US-10253863-B2 · Apr 9, 2019 · US
Dual-type strain wave gearing
US-10197145-B2 · Feb 5, 2019 · US
Flat strain wave gearing
US-2018363750-A1 · Dec 20, 2018 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Harmonic Drive Systems | 47 |
| Nissan Motor | 4 |
| Hitachi Automotive Systems Ltd | 4 |
| Harminic Drive Systems Inc | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F16H49/001 | 39 |
| F16H1/32 | 31 |
| F16H2049/003 | 25 |
| F16C2361/61 | 8 |
| F16H57/021 | 7 |