Inventor

Yohichi Okumura

Inventor

Tokyo, JP

Overview

6→

Patents

2002–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 6 as inventor

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

H10Fprimary

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation43%

B81BMicrostructural devices or systems, e.g. micromechanical devices14%

H04BTransmission14%

H04WWireless communication networks14%

H10DInorganic electric semiconductor devices14%

PatentTitleYear

11,129,111Wireless base station and transmission power control method2021 8,415,190'Photodiode semiconductor device and manufacturing method'2013 8,390,032'Depletion mode field effect transistor for ESD protection'2013 7,999,293'Photodiode semiconductor device and manufacturing method'2011 7,745,857'Semiconductor device and its manufacturing method'2010 6,355,578'Manufacturing method for a composite device'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2013Patents assigned to TEXAS INSTRUMENTS INC (5)· patent assignee history

2002–2021Based in Tokyo, JP· patent location history

2013Patents assigned to OKUMURA YOHICHI (2)· patent assignee history

2013Patents assigned to MUENZ JOSEF (1)· patent assignee history

2013Patents assigned to TOMOMATSU HIROYUKI (1)· patent assignee history

2013Based in Nerima-ku, JP· patent location history

2021Patents assigned to NTT DOCOMO INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TEXAS INSTRUMENTS INC	5	2002–2013
OKUMURA YOHICHIself	2	2013
MUENZ JOSEF	1	2013
NTT DOCOMO INC	1	2021
TOMOMATSU HIROYUKI	1	2013

Locations

Location	Patents	Span
Tokyo, JP	5	2002–2021
Nerima-ku, JP	1	2013