Medical light source device and medical observation system
US-2025387053-A1 · Dec 25, 2025 · US
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Kitamura Ken patents
Kitamura Ken is listed as an inventor on 38 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Kitamura Ken |
| Total patents | 38 |
| First publication | Feb 24, 2015 |
| Latest publication | Dec 25, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Lifting head and lifting device
US-2025205907-A1 · Jun 26, 2025 · US
Positioning device and mounting device using same
US-2025096016-A1 · Mar 20, 2025 · US
Methods and packages for enhancing reliability of ultraviolet light-emitting devices
US-11942569-B2 · Mar 26, 2024 · US
Radio wave watch
US-11656582-B2 · May 23, 2023 · US
Photon extraction from ultraviolet light-emitting devices
US-11515455-B2 · Nov 29, 2022 · US
Medical lighting device
US-2022364952-A1 · Nov 17, 2022 · US
Storage case
US-11262061-B2 · Mar 1, 2022 · US
Portable radio-controlled watch
US-11150612-B2 · Oct 19, 2021 · US
Storage case
US-2021278070-A1 · Sep 9, 2021 · US
Recent patents
Latest publications not already listed above.
Photon extraction from ultraviolet light-emitting devices
US-2021111317-A1 · Apr 15, 2021 · US
Photon extraction from ultraviolet light-emitting devices
US-10854797-B2 · Dec 1, 2020 · US
Radio wave watch
US-2020319605-A1 · Oct 8, 2020 · US
Portable radio-controlled watch
US-2020301371-A1 · Sep 24, 2020 · US
Electrochemical removal of aluminum nitride substrates for electronic and optoelectronic devices
US-10777706-B2 · Sep 15, 2020 · US
Comparator circuit, A/D conversion circuit, and display apparatus
US-10615786-B2 · Apr 7, 2020 · US
Radio-controlled watch
US-2020089170-A1 · Mar 19, 2020 · US
Photon extraction from ultraviolet light-emitting devices
US-2019348581-A1 · Nov 14, 2019 · US
Portable radio-controlled watch
US-2019265655-A1 · Aug 29, 2019 · US
Ultraviolet light-emitting devices and methods
US-10383963-B2 · Aug 20, 2019 · US
Photon extraction from ultraviolet light-emitting devices
US-10347805-B2 · Jul 9, 2019 · US
Comparator circuit, a/d conversion circuit, and display apparatus
US-2019123730-A1 · Apr 25, 2019 · US
Electrochemical removal of aluminum nitride substrates for electronic and optoelectronic devices
US-2019115501-A1 · Apr 18, 2019 · US
Portable radio-controlled watch
US-2019094817-A1 · Mar 28, 2019 · US
Comparator circuit, A/D conversion circuit, and display apparatus
US-10187048-B2 · Jan 22, 2019 · US
Photon extraction from ultraviolet light-emitting devices
US-2018190883-A1 · Jul 5, 2018 · US
Photon extraction from ultraviolet light-emitting devices
US-9935247-B2 · Apr 3, 2018 · US
Comparator circuit, comparator circuit control method, A/D conversion circuit, and display apparatus
US-9906212-B2 · Feb 27, 2018 · US
Comparator circuit, comparator circuit control method, a/d conversion circuit, and display apparatus
US-2017163253-A1 · Jun 8, 2017 · US
Comparator circuit, comparator circuit control method, A/D conversion circuit, and display apparatus
US-9608614-B2 · Mar 28, 2017 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Kitamura Ken | 15 |
| Chen Jianfeng | 13 |
| Toita Masato | 12 |
| Ishii Hironori | 11 |
| Wang Yuting | 11 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H10H20/855 | 14 |
| H01L33/58 | 14 |
| H10H20/854 | 12 |
| H01L33/56 | 12 |
| H10H20/0363 | 11 |