Inventor

KONISHI TAKEHISA

JP3 patents

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

NIPPON KINZOKU CO LTD

1 patent

US4427499AJan 24, 1984

Process for surface treatment of stainless steel sheet

NIPPON KINZOKU CO LTD14 citations62

OHMI TADAHIRO

1 patent

US8137787B1Mar 20, 2012

Metal material having formed thereon chromium oxide passive film and method for producing the same, and parts contacting with fluid and system for supplying fluid and exhausting gas

OHMI TADAHIRO0 citations50

FUJIKIN KK

1 patent

US7935385B2May 3, 2011

Metal material having formed thereon chromium oxide passive film and method for producing the same, and parts contacting with fluid and system for supplying fluid and exhausting gas

FUJIKIN KK0 citations50