Inventor
KAZUFUMI JOKO
Inventor
JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
LOC15primary
LOC1536%
G02BOptical elements, systems or apparatus27%
A45FTravelling or camp equipment: sacks or packs carried on the body9%
B25HWorkshop equipment, e.g. for marking-out work9%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers9%
LOC089%
PatentTitleYear
D1105876Optical fiber cutter2025D1101007Optical fiber fusion splicer2025D1092581Optical fiber fusion splicer202512,384,598Housing case for fusion splicer and fusion splicer set2025D1073757Fusion splicer working tray202512,197,010Reinforcement sleeve heating device and fusion splicing machine202511,882,922Storage case2024D0983851Optical fiber fusion splicer2023Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2023–2025Patents assigned to SUMITOMO ELECTRIC OPTIFRONTIER CO LTD (8)· patent assignee history
2023–2025Based in JP· patent location history
2024Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SUMITOMO ELECTRIC OPTIFRONTIER CO LTD | 8 | 2023–2025 |
| SUMITOMO ELECTRIC INDUSTRIES | 1 | 2024 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 8 | 2023–2025 |