Head of head-replaceable cutting tool, and cutting tool
US-2026091433-A1 · Apr 2, 2026 · US
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Otsuka Jun patents
Otsuka Jun is listed as an inventor on 46 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Otsuka Jun |
| Total patents | 46 |
| First publication | Mar 5, 2015 |
| Latest publication | Apr 2, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Scissors
US-D1116687-S · Mar 10, 2026 · US
Knife
US-D1109573-S · Jan 20, 2026 · US
Razor
US-2026008193-A1 · Jan 8, 2026 · US
Razor
US-2026001248-A1 · Jan 1, 2026 · US
Eyelash curler handle
US-D1100335-S · Oct 28, 2025 · US
Cutting insert and cutting tool
US-12427582-B2 · Sep 30, 2025 · US
Cutting insert and cutting tool
US-2025289061-A1 · Sep 18, 2025 · US
Porous zirconia particles, and aggregate for immobilizing protein
US-12325642-B2 · Jun 10, 2025 · US
Utility knife
US-D1076639-S · May 27, 2025 · US
Recent patents
Latest publications not already listed above.
Scissors
US-D1071685-S · Apr 22, 2025 · US
Scissors
US-D1071686-S · Apr 22, 2025 · US
Carbon nanotube assembled wire and carbon nanotube assembled wire bundle
US-12221347-B2 · Feb 11, 2025 · US
Method for manufacturing carbon nanotube, method for manufacturing carbon nanotube assembled wire, method for manufacturing carbon nanotube assembled wire bundle, carbon nanotube manufacturing apparatus, carbon nanotube assembled wire manufacturing apparatus, and carbon nanotube assembled wire bundle manufacturing apparatus
US-12168607-B2 · Dec 17, 2024 · US
Indexable cutting tool and cutting insert
US-2024189918-A1 · Jun 13, 2024 · US
Cable
US-2024145129-A1 · May 2, 2024 · US
Oval ring hairbrush having excellent drainage
US-2024016287-A1 · Jan 18, 2024 · US
Method for manufacturing carbon nanotube, method for manufacturing carbon nanotube assembled wire, method for manufacturing carbon nanotube assembled wire bundle, carbon nanotube manufacturing apparatus, carbon nanotube assembled wire manufacturing apparatus, and carbon nanotube assembled wire bundle manufacturing apparatus
US-11866330-B2 · Jan 9, 2024 · US
Two-core cable
US-2023317315-A1 · Oct 5, 2023 · US
Knife stand
US-D988085-S · Jun 6, 2023 · US
Shank and cutting tool having the shank
US-2023024391-A1 · Jan 26, 2023 · US
Cutting tool
US-11541463-B2 · Jan 3, 2023 · US
Cutting insert and turning tool using cutting insert
US-11491550-B2 · Nov 8, 2022 · US
Cutting insert and cutting tool
US-2022347761-A1 · Nov 3, 2022 · US
Carbon nanotube assembled wire and carbon nanotube assembled wire bundle
US-2022315427-A1 · Oct 6, 2022 · US
Method for manufacturing carbon nanotube, method for manufacturing carbon nanotube assembled wire, method for manufacturing carbon nanotube assembled wire bundle, carbon nanotube manufacturing apparatus, carbon nanotube assembled wire manufacturing apparatus, and carbon nanotube assembled wire bundle manufacturing apparatus
US-2022153585-A1 · May 19, 2022 · US
Immunoglobulin purification method and immunoglobulin purification device, and immunoglobulin production method and immunoglobulin production device
US-2022119498-A1 · Apr 21, 2022 · US
Porous zirconia particles, and aggregate for immobilizing protein
US-2022089453-A1 · Mar 24, 2022 · US
Method for manufacturing carbon nanotube, method for manufacturing carbon nanotube assembled wire, method for manufacturing carbon nanotube assembled wire bundle, carbon nanotube manufacturing apparatus, carbon nanotube assembled wire manufacturing apparatus, and carbon nanotube assembled wire bundle manufacturing apparatus
US-2022064003-A1 · Mar 3, 2022 · US
Cutting tool
US-2021370412-A1 · Dec 2, 2021 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Kai R&D Center Co Ltd | 15 |
| Sumitomo Electric Industries | 12 |
| Tungaloy Corp | 12 |
| Univ Tsukuba | 6 |
| Ngk Spark Plug Co | 5 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C01B32/168 | 6 |
| B23B27/1614 | 5 |
| B23B27/00 | 5 |
| C01B32/162 | 4 |
| B82Y40/00 | 4 |