Inventor

YAMAKAWA TAKEHIRO

JP5 patents

⚠️ This page may combine multiple inventors who share the name “YAMAKAWA TAKEHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NISCA CORP

3 patents

US6142461ANov 7, 2000

Sheet processing device

NISCA CORP120 citations94

US6634641B2Oct 21, 2003

Sheet discharge apparatus, sheet finishing apparatus and image forming apparatus equipped with the same

NISCA CORP18 citations82

US6666445B2Dec 23, 2003

Sheet discharge apparatus and image forming apparatus

NISCA CORP4 citations57

OTA SEIICHI

1 patent

US9132688B2Sep 15, 2015

Bookbinding unit

OTA SEIICHI2 citations53

TAKAGI KATSUMASA

1 patent

US8442422B2May 14, 2013

Bookbinding method, and bookbinding unit and image-forming system equipped with the same

TAKAGI KATSUMASA1 citations46