Inventor

Minoru Okumura

Inventor

Tokyo, JP

Overview

11→

Patents

1986–1999

Patent span

Electricity

Primary field (CPC H)

Patents· 11 as inventor

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

H04Mprimary

H04MTelephonic communication18%

C09KMaterials for miscellaneous applications, not provided for elsewhere14%

H01QAntennas, i.e. radio aerials9%

Y10TTechnical subjects covered by former us classification9%

A01NPreservation of bodies of humans or animals or plants or parts thereof5%

A61KPreparations for medical, dental or toiletry purposes5%

A61QSpecific use of cosmetics or similar toiletry preparations5%

C07DHeterocyclic compounds5%

C12NMicroorganisms or enzymes5%

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture5%

PatentTitleYear

5,936,591'Multi-beam feeding apparatus'1999 5,307,080'Expansible antenna apparatus'1994 4,948,413'Physiologically active agent for agriculture use'1990 4,935,957'Key telephone system'1990 4,908,373'1-[2-(4-Hydroxybenzoyl)ethanoyl]-2-piperidone and a process for production as well as alcohol fermentation promoter containing the same as effective ingredient'1990 4,857,358'Powdery compound emulisifier and its production'1989 4,831,516'Data transmission system between a main CPU board having a wait signal generating latch and a plurality of CPU boards'1989 4,801,394'Heat transfer promoters and method of using the same'1989 4,660,219'Extension ringing arrangement key telephone system'1987 4,641,337'Key telephone system with means for operatively connecting another key telephone systems'1987 4,601,933'Heat transfer promoters and method of using the same'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1999Patents assigned to TOSHIBA KK (4)· patent assignee history

1986–1989Patents assigned to MORI KUNIO (2)· patent assignee history

1986–1989Patents assigned to NAKAMURA YOSHIRO (2)· patent assignee history

1986–1989Based in Hiratsuka, JP· patent location history

1987–1990Patents assigned to NIPPON TELEGRAPH & TELEPHONE (4)· patent assignee history

1987–1990Patents assigned to NITSUKO LTD (4)· patent assignee history

1987–1990Based in Tokyo, JP· patent location history

1990Based in Kakogawa, JP· patent location history

1994Based in Kawasaki, JP· patent location history

1999Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON TELEGRAPH & TELEPHONE	4	1987–1990
NITSUKO LTD	4	1987–1990
TOSHIBA KK	4	1986–1999
MORI KUNIO	2	1986–1989
NAKAMURA YOSHIRO	2	1986–1989

Locations

Location	Patents	Span
Tokyo, JP	4	1987–1990
Kakogawa, JP	2	1990
Hiratsuka, JP	2	1986–1989
Yokohama, JP	1	1999
Kawasaki, JP	1	1994