Published Technical Disclosure Archive

Advanced Titanium Sintered Bodies: Next-Gen Material Innovation

Publication ID: 24-11857034_0006_PTD
Published: October 27, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Advanced Titanium Sintered Bodies: Next-Gen Material Innovation,” Published Technical Disclosure No. 24-11857034_0006_PTD, Published October 27, 2025, available at https://archive.pr1or.art/24-11857034_0006_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,857,034.

Background and Problem Solved

The original patent for titanium sintered bodies, ornaments, and timepieces had limitations in terms of surface hardness, corrosion resistance, and biocompatibility. The present invention addresses these limitations by introducing novel techniques and materials to improve the properties of titanium sintered bodies, making them more suitable for various applications.

Novelty and Inventive Step

The new claims introduce novel techniques such as nanocoating, micro-texturing, anodic oxidation, and diamond-like carbon coating, which are not obvious from the original patent. The inventive step lies in the combination of these techniques to achieve improved properties in titanium sintered bodies and timepieces.

Alternative Embodiments and Variations

Alternative embodiments of the invention may include using different nanocoating materials, varying the micro-texturing patterns, or applying the anodic oxidation process to other metal alloys. Additionally, the diamond-like carbon coating could be used on other components of the timepiece, such as the strap or buckle.

Potential Commercial Applications and Market

The enhanced titanium sintered bodies and timepieces have significant commercial potential in industries such as aerospace, medical devices, luxury goods, and sports equipment, where high-performance materials with improved properties are in demand.

CPC Classifications

SectionClassGroup
A A44 A44C27/003
B B22 B22F1/06
B B22 B22F3/15
B B22 B22F3/24
B B22 B22F5/106
C C22 C22C1/0458
C C22 C22C14/00
B B22 B22F5/00
B B22 B22F2003/247
B B22 B22F2201/01
B B22 B22F2201/10
B B22 B22F2301/205

Field of Art

Materials engineering, specifically powder metallurgy and surface treatment technologies for titanium alloys, with expertise in sintering processes, surface modification, and advanced manufacturing techniques for high-performance metal components

Person of Ordinary Skill (PHOSITA) Profile

A materials engineer or metallurgist with advanced degree and 5-7 years of experience in titanium alloy processing, familiar with powder metallurgy techniques, surface engineering, and materials characterization methods

Obviousness Rationale

A person having ordinary skill would recognize that the PTD's variations represent predictable extensions of the source patent's core teachings about titanium sintered bodies, utilizing standard surface modification techniques known in materials engineering to incrementally improve material properties through well-established processing methods.

Obvious Combinations & Variations

Source Patent Element
Titanium sintered body with controlled crystal grain diameter
PTD Variation
Nanocoating and micro-texturing to enhance surface hardness and optical properties
Obviousness Reasoning
Surface modification techniques are standard practice in materials engineering, and applying nanocoatings or micro-texturing to improve material properties would be an obvious design optimization for a skilled practitioner
Source Patent Element
Titanium alloy with alpha-phase stabilizing elements
PTD Variation
Anodic oxidation to create titanium oxide surface film for improved corrosion resistance
Obviousness Reasoning
Oxide layer formation is a well-known method for enhancing corrosion resistance in titanium alloys, representing a predictable solution using standard surface treatment techniques
Source Patent Element
Timepiece using titanium sintered body
PTD Variation
Diamond-like carbon coating to enhance scratch resistance
Obviousness Reasoning
Protective coatings are commonly used to improve surface hardness and wear resistance, and applying diamond-like carbon coating would be an obvious enhancement for a precision component like a timepiece
Source Patent Element
Titanium alloy powder composition
PTD Variation
Incorporating biocompatible elements like zirconium or niobium
Obviousness Reasoning
Alloying and compositional modifications are standard methods for tailoring material properties, and introducing biocompatible elements represents a predictable approach to expanding material applications
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857034, a person having ordinary skill in materials engineering would find the surface modification and compositional variations disclosed herein to be obvious extensions of the prior art, rendering subsequent claims directed to these incremental improvements unpatentable under 35 U.S.C. Section 103.

Original Patent Information

Patent NumberUS 11,857,034
TitleTitanium sintered body, ornament, and timepiece
Assignee(s)Seiko Epson Corporation