IP Library Granted Patent US 12,061,443
Granted Patent B2
US 12,061,443 · App. 16/824,143 · Granted Aug 13, 2024

Timepiece dial and timepiece

Inventor: Masahiro Ishida (Chiba, JP)
Assignee: Seiko Instruments Inc.
G04B19/32G04B19/10G04B19/12
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 12,061,443
App. No.
16/824,143
Granted
Aug 13, 2024
Kind
B2
Abstract

A timepiece dial according to embodiments of the invention includes a base member; an exterior portion that is provided on the base member, includes a laminated body of a plurality of layers, and has translucency; and a phosphorescent material that is provided on a rear surface of the exterior portion on a side of the base member.

Claims (10)

1. A timepiece dial comprising:

a base member formed in conformity with a shape of a dial;

a light transmissive exterior plate that constitutes an exterior of the dial and is provided on the base member, wherein the exterior plate is made of a single material laminated in a plurality of layers;

a phosphorescent material provided directly on a rear surface of the exterior plate between the exterior plate and the base member; and

a first translucent decorative portion provided on a front surface, opposite to the rear surface, of the exterior portion, wherein the first translucent decorative portion has a density that differs in the first translucent decorative portion to change a translucency thereof in different areas of the first translucent decorative portion.

2. The timepiece dial according to claim 1 , wherein the exterior plate has thicknesses that differ in different areas of the exterior plate that are in direct contact with the phosphorescent material.

3. The timepiece dial according to claim 1 , further comprising a second opaque decorative portion that is provided on the rear surface of the exterior plate between the exterior plate and the phosphorescent material.

4. A timepiece comprising the timepiece dial according to claim 1 .

5. The timepiece dial according to claim 1 , further comprising a second opaque decorative portion located in the phosphorescent material.

6. The timepiece dial according to claim 1 , wherein the exterior plate is made of seashells, marble or ceramic.

Assignments (2)
NUNC PRO TUNC ASSIGNMENT Recorded Oct 17, 2024
From: SEIKO INSTRUMENTS INC.
To: SEIKO WATCH CORPORATION
Reel/Frame 069183/0051 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 19, 2020
From: ISHIDA, MASAHIRO
To: SEIKO INSTRUMENTS INC.
Reel/Frame 052170/0834 →
Priority Claims (1)
JP 2019-058610 · Mar 26, 2019 · national
Continuity (1)
Related Publication 20200310350A1 · Oct 1, 2020