Inventor
Seijiro Kawamura
Inventor
Kitakyushu, JP
Overview
Patents· 44 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
LOC23primary
LOC2378%
E03DWater-closets or urinals with flushing devices6%
A47KSanitary equipment3%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%
C07BGeneral methods of organic chemistry3%
C07CAcyclic or carbocyclic compounds3%
C07DHeterocyclic compounds3%
LOC293%
PatentTitleYear
10,995,043Method for producing perfluoroalkylated compound2021D0518924'Pedestal sink'2006D0478376'Water closet'2003D0472965'Water closet'2003D0472619'Toilet'2003D0472309'Bidet'2003D0472310'Toilet'2003D0470928'Pedestal sink for receiving a faucet set'2003D0470929'Sink for receiving a faucet set'2003D0453556'Six-liter toilet'2002D0443346'Bidet'2001D0441062'Pedestal sink'2001D0441063'Sink'2001D0438939'Water closet'2001D0432218'Trap portion of a water closet'2000D0422347'Pedestal sink'2000D0422065'Water closet'2000D0421104'Sink'2000D0414549'Pedestal-type sink'1999D0406329'Trap portion of a water closet'1999D0399294'Water closet'1998D0384136'Water closet'1997D0383832'Combined toilet basin, toilet seat and seat cover'1997D0382946'Combined toilet basin, toilet seat and seat cover'1997D0382947'Combined toilet basin, toilet seat and seat cover'1997D0382333'Combined toilet basin, toilet seat and seat cover'1997D0382335'Combined toilet basin, toilet seat and seat cover'1997D0382325'Combined toilet basin, toilet seat and seat cover'1997D0382334'Combined toilet basin, toilet seat and seat cover'1997D0379496'Water closet'1997D0377209'Water closet tank'1997D0373182'Combined toilet basin, toilet seat and seat cover'1996D0370719'Combined toilet basin, toilet seat and seat cover'1996D0369401'Combined toilet basin, toilet seat and seat cover'1996D0369400'Combined toilet basin, toilet seat and seat cover'1996D0355950'Basin'1995D0355246'Combined bidet, bidet control, toilet seat and cover'1995D0355024'Basin'1995D0354477'Remote controller for a toilet'1995D0354121'Combined toilet, toilet seat and toilet seat cover'1995D0353191'Toilet'1994D0345200'Bidet'19944,967,425'Sanitary equipment for clean room'19904,692,951'Sanitary facility room for clean room'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–2006Patents assigned to TOTO LTD (41)· patent assignee history
1987–2003Based in Fukuoka, JP· patent location history
1994–2006Based in Kitakyushu, JP· patent location history
1996Patents assigned to HASHIDA NORIKO Y (1)· patent assignee history
1996Patents assigned to KAWAMURA SEIJIRO (1)· patent assignee history
1996Based in US· patent location history
1997–1998Based in Kitakyushi, JP· patent location history
2021Patents assigned to RIKEN (1)· patent assignee history
2021Based in Wako, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOTO LTD | 41 | 1987–2006 |
| HASHIDA NORIKO Y | 1 | 1996 |
| KAWAMURA SEIJIROself | 1 | 1996 |
| RIKEN | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kitakyushu, JP | 26 | 1994–2006 |
| Fukuoka, JP | 14 | 1987–2003 |
| Kitakyushi, JP | 2 | 1997–1998 |
| Wako, JP | 1 | 2021 |
| US | 1 | 1996 |