Inventor

Katsuhito Kuwahara

Inventor

Tokyo, JP

Overview

18→

Patents

1999–2020

Patent span

Performing operations

Primary field (CPC B)

Patents· 18 as inventor

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

B05Bprimary

B05BSpraying apparatus57%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers26%

A61CDentistry4%

A61MDevices for introducing media into, or onto, the body4%

B05CApparatus for applying fluent materials to surfaces, in general4%

F04BPositive-displacement machines for liquids4%

PatentTitleYear

10,717,567Discharge container2020 9,968,743Quantitative syringe-type ejector2018 9,827,577Ejection head and container provided with the same2017 9,669,973'Double-walled container'2017 9,044,771'Pump'2015 8,474,656'Viscous material extruding dispenser'2013 8,333,290'Variable discharge cap for a bottle-like container body'2012 7,472,809'Non-leaking non-dripping liquid jet pump'2009 7,410,079'Accumulator-type liquid sprayer'2008 7,048,155'Depression head for pump mechanism'2006 6,938,803'Non-leaking non-dripping liquid jet pump'2005 6,702,156'Non-leaking non-dripping liquid jet pump'2004 6,502,722'Synthetic resin tube container'2003 6,290,145'Spray unit that atomizes liquid at the start of the spray operation'2001 6,206,303'Manually operated spray device for liquid'2001 6,119,902'Liquid jet pump'2000 6,006,950'Pump dispenser with rotatable nozzle trigger lock'1999 5,924,604'Liquid jetting pump with passageways for dispensing liquids'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2020Patents assigned to YOSHINO KOGYOSHO CO LTD (18)· patent assignee history

1999–2020Based in Tokyo, JP· patent location history

1999–2009Based in Koto-ku, JP· patent location history

2012–2018Patents assigned to KUWAHARA KATSUHITO (6)· patent assignee history

2012Patents assigned to KAKUTA YOSHIYUKI (1)· patent assignee history

2013–2015Patents assigned to TOMA TORU (2)· patent assignee history

2017–2018Patents assigned to HOSHINO SHINYA (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
YOSHINO KOGYOSHO CO LTD	18	1999–2020
KUWAHARA KATSUHITOself	6	2012–2018
HOSHINO SHINYA	2	2017–2018
TOMA TORU	2	2013–2015
KAKUTA YOSHIYUKI	1	2012

Locations

Location	Patents	Span
Tokyo, JP	14	1999–2020
Koto-ku, JP	4	1999–2009