Inventor

Ikuo Ota

Inventor
Yawata, JP

Overview

7→
Patents
1983–2020
Patent span
Physics
Primary field (CPC G)

Patents· 7 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus18%
G11BInformation storage based on relative movement between record carrier and transducer18%
A23BPreservation of foods, foodstuffs or non-alcoholic beverages9%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for9%
G03GElectrography9%
H01PWaveguides9%
H05KPrinted circuits9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
Y10TTechnical subjects covered by former us classification9%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983Patents assigned to IWATSU ELECTRIC CO LTD (1)· patent assignee history
1989–1999Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (3)· patent assignee history
1989Based in Yawata, JP· patent location history
1999Based in Hirakata, JP· patent location history
2000–2001Patents assigned to FURUKAWA ELECTRIC CO LTD (2)· patent assignee history
2000Based in Chiba, JP· patent location history
2001Based in Tokyo, JP· patent location history
2020Patents assigned to CERECS CO LTD (1)· patent assignee history
2020Based in Kurashiki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD31989–1999
FURUKAWA ELECTRIC CO LTD22000–2001
CERECS CO LTD12020
IWATSU ELECTRIC CO LTD11983
Locations
LocationPatentsSpan
Yawata, JP21989
Kurashiki, JP12020
Tokyo, JP12001
Chiba, JP12000
Hirakata, JP11999