Masamichi Sudo — 21 Patents at Daikyo Seiko

Masamichi Sudo has been granted 21 US patents while listed as an inventor at Daikyo Seiko. The first was granted in 1991 and the most recent in November 2011. Masamichi Sudo ranks #201,324 of 4,157,543 US inventors in our database (top 4.8%). Patent records list Masamichi Sudo in Tokyo, JP.

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #	Title	Co-Inventors	Date
8066663	Slide valves equipped in a syringe and thus equipped syringe	Nobuo Sudo	2011-11-29
7934613	Container units for drugs, drug containers, and rubber closures	Morihiro Sudo	2011-05-03
7927315	Piston for a syringe and a prefilled syringe using the same	Morihiro Sudo	2011-04-19
D590500	Syringe plunger	Hideaki Kawamura	2009-04-14
D583938	Piston for syringe	—	2008-12-30
D581528	Piston for syringe	—	2008-11-25
D581044	Syringe flange	Hideaki Kawamura	2008-11-18
D581045	Syringe flange	Hideaki Kawamura	2008-11-18
7426998	Molding die assembly for rubber members and rubber member produced thereby	Morihiro Sudo, Kouichi Asai	2008-09-23
D575870	Syringe barrel	—	2008-08-26
D570478	Syringe nozzle cap	—	2008-06-03
D570476	Syringe barrel	—	2008-06-03
D568468	Syringe nozzle cap	—	2008-05-06
D568469	Syringe nozzle cap	—	2008-05-06
7226554	Molding die assembly for rubber members and rubber member produced thereby	Morihiro Sudo, Kouichi Asai	2007-06-05
7214214	Sealing rubber closure for syringe/container	Morihiro Sudo	2007-05-08
6628379	Method and apparatus for inspection of rubber product	Morihiro Sudo	2003-09-30
6524282	Sealing rubber closure for syringe/container	Morihiro Sudo	2003-02-25
6344034	Sealing rubber closure for syringe/container	Morihiro Sudo	2002-02-05
6090081	Sealing stopper for a syringe and a prefilled syringe	Tomoyasu Muraki	2000-07-18
5009646	Sliding stopper for a syringe	Tamotsu Okuda	1991-04-23

Masamichi Sudo — 21 Patents

Issued Patents All Time

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