Inventor

Shigeo Yoshizawa

Inventor

Tokyo, JP

Overview

12→

Patents

1988–1998

Patent span

Performing operations

Primary field (CPC B)

Patents· 12 as inventor

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

G08Bprimary

G08BSignalling systems, e.g. personal calling systems32%

H04WWireless communication networks16%

B29CShaping or joining of plastics8%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts8%

B29LIndexing scheme associated with subclass b29c, relating to particular articles8%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers8%

H03DDemodulation or transference of modulation from one carrier to another4%

H03KPulse technique4%

H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses4%

H04LTransmission of digital information, e.g. telegraphic communication4%

PatentTitleYear

5,801,640'Radio pager with a message processing function'1998 5,566,081'Method of saving power consumption in a battery operated pager receiver'1996 5,493,285'Paging receiver suitable for an emergency call'1996 5,214,791'Radio communication apparatus capable of producing an announce with a reduced error'1993 5,140,561'Method for erasing information stored in radio pager'1992 5,089,208'Method of molding a synthetic-resin hollow container with grip'1992 4,855,731'Pager receiver capable of avoiding an unpleasing interruption of a displayed message'1989 4,829,544'Bit synchronization circuit'1989 4,804,955'Radio pager having a light-emitting diode for providing visual alarm and signal transmission'1989 4,800,338'Pulse count type FM demodulator'1989 4,769,641'Pager receiver capable of avoiding an unpleasing interruption of a displayed message'1988 4,727,997'Synthetic-resin hollow container with grip'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1998Patents assigned to NEC CORP (10)· patent assignee history

1988–1992Patents assigned to NISSEI ASB MACHINE CO LTD (2)· patent assignee history

1988–1998Based in Tokyo, JP· patent location history

1988–1992Based in Nagano, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NEC CORP	10	1988–1998
NISSEI ASB MACHINE CO LTD	2	1988–1992

Locations

Location	Patents	Span
Tokyo, JP	10	1988–1998
Nagano, JP	2	1988–1992