Inventor

Yoshiaki Hara

Inventor

Tokyo, JP

Overview

27→

Patents

1977–2019

Patent span

Physics

Primary field (CPC G)

Patents· 27 as inventor

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

B29Cprimary

B29CShaping or joining of plastics7%

G10KSound-producing devices7%

H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers7%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%

E02BHydraulic engineering5%

G04CElectromechanical clocks or watches5%

Y02ATechnologies for adaptation to climate change5%

B29LIndexing scheme associated with subclass b29c, relating to particular articles4%

B62DMotor vehicles4%

G04BMechanically-driven clocks or watches4%

PatentTitleYear

10,423,093Image forming apparatus2019 9,428,875'Pneumatic fender'2016 8,005,904'Electronic business card exchange system and method'2011 6,770,386'Magnetic recording medium and its manufacturing method'2004 6,562,264'Method of controlling a compression injection molding machine'2003 6,515,436'Discharge lamp lighting apparatus and lighting appliance employing same'2003 6,183,235'Electrically-operated injection molding machine'2001 5,847,512'Lamp device and a display apparatus using the same'1998 5,766,307'Method of treating zinc-containing substance'1998 5,261,733'Shoe of crawler belt or chain'1993 5,255,964'Shoe of crawler belt or chain'1993 4,955,126'Process for fusing steel slabs in longitudinal direction thereof'1990 D0303976'Lens for camera'1989 4,673,314'Buckling fender'1987 4,620,102'Electron-impact type of ion source with double grid anode'1986 4,445,113'Small type acoustic device'1984 4,412,802'Molding device for forming a socket end on a plastic pipe'1983 4,391,532'Electromagnetic acoustic transducer'1983 4,389,123'Electronic alarm watch'1983 4,358,642'Electro-magnetic type electric acoustic transducer'1982 4,279,853'Method of forming a socket end on a plastic pipe and a molding device for use of the method'1981 4,216,650'Alarm wristwatch'1980 4,197,697'Alarm watch'1980 4,159,472'Electronic buzzer'1979 4,147,899'Broadband electromagnetic sound source with differently tuned diaphragms'1979 4,090,041'Electromagnetic sonic generator for an alarm'1978 4,054,476'Method and apparatus for fabricating non-vulcanized pneumatic rubber fenders'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–2016Patents assigned to YOKOHAMA RUBBER CO LTD (5)· patent assignee history

1977–2016Based in Hiratsuka, JP· patent location history

1978–1986Patents assigned to SEIKO INSTR & ELECTRONICS (10)· patent assignee history

1978–2003Based in Tokyo, JP· patent location history

1981–1983Patents assigned to KUBOTA LTD (2)· patent assignee history

1981–1983Based in Ishizukita, JP· patent location history

1987–1993Based in Hadano, JP· patent location history

1989–2019Patents assigned to CANON KK (2)· patent assignee history

1990–1998Patents assigned to KAWASAKI STEEL CO (2)· patent assignee history

1990–1998Based in Chiba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SEIKO INSTR & ELECTRONICS	10	1978–1986
YOKOHAMA RUBBER CO LTD	5	1977–2016
CANON KK	2	1989–2019
KAWASAKI STEEL CO	2	1990–1998
KUBOTA LTD	2	1981–1983

Locations

Location	Patents	Span
Tokyo, JP	12	1978–2003
Hadano, JP	3	1987–1993
Hiratsuka, JP	2	1977–2016
Chiba, JP	2	1990–1998
Ishizukita, JP	2	1981–1983