Inventor
KAZUNORI KATAYAMA
Inventor
JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus46%
H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines15%
E04FFinishing work on buildings, e.g. stairs, floors8%
G06FElectric digital data processing8%
H02JElectric power networks8%
H04BTransmission8%
H04QSelecting8%
PatentTitleYear
12,474,527Optical coupling device and optical coupling system202512,375,839Surveillance control device and optical power supply system202512,314,649Cable route setting method202511,949,220Cable blocks202411,740,414Multifiber optical connector and optical cable connection method202311,543,612Connector plug, connector insertion method, and a connector removal method202311,474,303Optical connector ferrule, sleeve, and method for manufacturing ferrule member202211,422,301Optical fiber cable202211,360,281Optical fiber cable, and device and method for manufacturing optical fiber cable2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2025Patents assigned to NIPPON TELEGRAPH & TELEPHONE (8)· patent assignee history
2022–2025Based in JP· patent location history
2025Patents assigned to NTT INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON TELEGRAPH & TELEPHONE | 8 | 2022–2025 |
| NTT INC | 1 | 2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 9 | 2022–2025 |