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Inventor

YOSHIHIRO OBA

Inventor
JP

Overview

3→
Patents
2022–2025
Patent span
Human necessities
Primary field (CPC A)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A61Bprimary
A61BDiagnosis50%
G01NInvestigating or analysing materials by determining their chemical or physical properties25%
G03GElectrography25%
PatentTitleYear
12,216,048Measuring apparatus202511,963,760Measuring device, blood-sugar level measuring device, and measuring method202411,215,945Optical sensor and image forming apparatus2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2025Patents assigned to RICOH CO LTD (3)· patent assignee history
2022–2025Based in JP· patent location history
2024–2025Patents assigned to KASAHARA RYOSUKE (2)· patent assignee history
2024–2025Patents assigned to OBA YOSHIHIRO (2)· patent assignee history
2024–2025Patents assigned to SASAKI TOSHIHIDE (2)· patent assignee history
2024Patents assigned to HOSONO NOBUTO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH CO LTD32022–2025
KASAHARA RYOSUKE22024–2025
OBA YOSHIHIROself22024–2025
SASAKI TOSHIHIDE22024–2025
HOSONO NOBUTO12024
Locations
LocationPatentsSpan
JP32022–2025