Inventor
Osamu Tsutsui
Inventor
Chigasaki, JP
Overview
Patents· 21 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E03Dprimary
E03DWater-closets or urinals with flushing devices19%
F16KValves19%
G05DSystems for controlling or regulating non-electric variables17%
Y10TTechnical subjects covered by former us classification13%
H02NElectric machines not otherwise provided for8%
F23NRegulating or controlling combustion6%
F24HFluid heaters, e.g. water or air heaters, having heat-generating means, e.g. heat pumps, in general6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
A61HPhysical therapy apparatus, e.g. devices for locating or stimulating reflex points in the body2%
F24DDomestic- or space-heating systems, e.g. central heating systems2%
PatentTitleYear
5,502,845'Siphon-jet flush water supply system for toilet stool'19965,469,586'Toilet bowl flushing device'19955,400,961'Electromechanical thermostatic mixing valve'19955,315,719'Water closet flushing apparatus'19945,259,073'Water closet flushing apparatus'19935,155,870'Water closet flushing apparatus'19925,133,089'Water closet flushing apparatus'19925,085,399'Automatically operating valve for regulating water flow and faucet provided with said valve'19925,063,622'Water supply control system'19914,989,277'Toilet bowl flushing device'19914,980,933'Washing device for parts of human body'19914,971,106'Automatically operating valve for regulating water flow and faucet provided with said valve'19904,967,794'Automatically operating valve for regulating water flow and faucet provided with said valve'19904,955,535'Automatically operating valve for regulating water flow and faucet provided with said valve'19904,922,861'Multiple-purpose instantaneous gas water heater'19904,819,587'Multiple-purpose instantaneous gas water heater'19894,768,705'Cold/hot water discharging apparatus'19884,761,836'Washing device for parts of human body'19884,739,923'Hot/cold water mixing device'19884,653,538'Hot and cold water mixing faucet'19874,501,261'Instantaneous gas water heater'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–1996Patents assigned to TOTO LTD (21)· patent assignee history
1985Based in Shiga, JP· patent location history
1987–1996Based in Fukuoka, JP· patent location history
1988Based in Kitakyushu, JP· patent location history
1990–1994Based in Chigasaki, JP· patent location history
1991–1995Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOTO LTD | 21 | 1985–1996 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chigasaki, JP | 9 | 1990–1994 |
| Fukuoka, JP | 7 | 1987–1996 |
| Kanagawa, JP | 3 | 1991–1995 |
| Kitakyushu, JP | 1 | 1988 |
| Shiga, JP | 1 | 1985 |