Inventor

TANAKA KEISHI

JP4 patents

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

TOPPAN PRINTING CO LTD

2 patents

US7754397B2Jul 13, 2010

Phase-shift mask, manufacturing method thereof and manufacturing method of semiconductor element

TOPPAN PRINTING CO LTD2 citations60

US7632613B2Dec 15, 2009

Levenson type phase shift mask and manufacturing method thereof

TOPPAN PRINTING CO LTD0 citations37

AMADA CO LTD

1 patent

US9548583B2Jan 17, 2017

Fiber laser oscillator, fiber laser processing device, and fiber laser oscillator dehumidification method

AMADA CO LTD1 citations46

KORAI HIDEAKI

1 patent

US8715451B2May 6, 2014

Heat pressing apparatus with puncture prevention function and method for producing woody material

KORAI HIDEAKI0 citations27