P

Inventor

YASUDA MICHIYUKI

JP9 patents
⚠️ This page may combine multiple inventors who share the name “YASUDA MICHIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PILOT INK CO LTD

6 patents
US5928803AJul 27, 1999

Temperature-sensitive reversibly deformable laminate

PILOT INK CO LTD75 citations94
US5352649AOct 4, 1994

Thermochromic laminate member, and composition and sheet for producing the same

PILOT INK CO LTD48 citations92
US7351362B2Apr 1, 2008

Photochromic material

PILOT INK CO LTD10 citations82
US6943772B2Sep 13, 2005

Magnetic display device

PILOT INK CO LTD12 citations82
US7575386B2Aug 18, 2009

Color-memorizing photochromic writing instrument, color-memorizing photochromic writing instrument set using the same and method for alternately expressing color-memorizing photochromic function of writing image

PILOT INK CO LTD5 citations62
US6713431B2Mar 30, 2004

Metallic luster tone thermochromic laminate member

PILOT INK CO LTD0 citations51

SHIBAHASHI YUTAKA

1 patent
US8444450B2May 21, 2013

Method for alternately expressing color-memorizing photochromic function in toy element, and an alternately color-memorizing photochromic toy

SHIBAHASHI YUTAKA10 citations82

WASE TAKASHI

1 patent
US9592702B2Mar 14, 2017

Friction body, writing instrument and writing instrument set

WASE TAKASHI11 citations72

YASUDA MICHIYUKI

1 patent
US9937434B2Apr 10, 2018

Photochromic toy

YASUDA MICHIYUKI3 citations64