Yasufumi Koseki — 5 Patents at Konica

Yasufumi Koseki has been granted 5 US patents while listed as an inventor at Konica. The first was granted in 1988 and the most recent in November 1992. Yasufumi Koseki ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Yasufumi Koseki in Hachioji, JP.

Patents per Year

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
5162851	Braking system for image formation apparatus	Minoru Asakawa, Haruo Itakura, Utami Soma, Kazumi Ishi, Hisao Sato	1992-11-10
5068853	Fail-safe apparatus for image forming apparatus	Utami Soma, Minoru Asakawa	1991-11-26
4996625	Power source unit for image recording apparatus	Utami Soma, Minoru Asakawa	1991-02-26
4973799	Printed circuit board for use with an image forming apparatus	Utami Soma, Minoru Asakawa	1990-11-27
4791453	Recording apparatus	Seiichi Suzuki, Utami Soma, Harufumi Yamashita	1988-12-13