logo

For the Inventor, By the Inventor

Isesaki, Japan

Yasuaki Ohtani

This inventor holds 3 USPTO granted patents. Top assignees: Nippon Cmk Corp., Iwase Sangyo Co., Itohdenki Kanto Hanbai. Active years: 1988-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuaki Ohtani. Retrieved from https://idiyas.com/inventor/yasuaki-ohtani

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 3

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 3

Forward Citations = 29(Granted Patents)


Location History:

  • Saitama, JP (1988)
  • Isesaki, JP (1990 - 1992)

Company Filing History:

goldMedal3 out of 61 
 
Nippon Cmk Corp.
 patents
silverMedal2 out of 2 
 
Iwase Sangyo Co.
 patents
bronzeMedal1 out of 1 
 
Itohdenki Kanto Hanbai
 patent
4. 1 out of 1 
 
Itohdenki Kanto Hanbai Co.
 patent
where one patent can have more than one assignee

Years Active: 1988-1992

Loading Chart...
3 patents (USPTO):Explore Patents
1. 5096524 - Method for automatically stretching a silk screen fabric on a silk (1992-03-17),
2. 4978414 - Apparatus for stretching silk including means to move cramp members (1990-12-18),
3. 4779339 - Method of producing printed circuit boards (1988-10-25),

Title: Yasuaki Ohtani - Innovator in Silk Screen Technology

Introduction

Yasuaki Ohtani is a notable inventor based in Isesaki, Japan, recognized for his contributions to the field of silk screen printing technology. With a total of three patents to his name, Ohtani has developed innovative methods and apparatuses that enhance the efficiency and quality of silk stretching processes.

Latest Patents

Ohtani's latest patents include a method for automatically stretching a silk screen fabric and an apparatus for stretching silk. The first patent describes an automatic silk stretching apparatus that utilizes a two-stage stretching process involving a cramp table and stretchers. This method ensures that silk is evenly stretched on a printing frame, followed by adhesive application and drying, with excess silk being cut away for a clean finish. The second patent further elaborates on the apparatus, detailing the mechanisms that facilitate the movement of cramp members during the stretching process.

Career Highlights

Throughout his career, Yasuaki Ohtani has worked with prominent companies such as Nippon CMK Corporation and Iwase Sangyo Co., where he has applied his expertise in silk screen technology to develop advanced solutions for the industry.

Collaborations

Ohtani has collaborated with esteemed colleagues, including Isamu Kubo and Kohji Ohtake, contributing to the advancement of silk screen printing techniques and fostering innovation within the field.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Loading…