Seigen Otani

This inventor holds 8 USPTO granted patents. Top assignees: Fujitsu Corporation, Fuji Photo Film Company, Limited. Active years: 1993-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seigen Otani. Retrieved from https://idiyas.com/inventor/seigen-otani

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

Calculating rank

USPTO Granted Patents = 8

% Patents Active = 87.5

Average Co-Inventor Count = 1.6

ph-index = 3

Forward Citations = 74(Granted Patents)

Company Filing History:

Fuji Photo Film Company, Limited

patents

Years Active: 1993-2004

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6769177 - Method of producing ink-jet recording head (2004-08-03),

2. 6682180 - Ink jet head and printing apparatus (2004-01-27),

3. 6672713 - Ink-jet recording head and method of producing the same (2004-01-06),

4. 6040594 - High permittivity ST thin film and a capacitor for a semiconductor (2000-03-21),

5. 5882946 - High-permittivity thin film capacitor for a semiconductor integrated (1999-03-16),

6. 5340793 - Layer-by-layer process for forming B.sub.i -containing oxide (1994-08-23),

7. 5300484 - MBE or MO-MBE process for forming Bi-Sr-Ca-Cu-O superconducting thin (1994-04-05),

8. 5248663 - Method of forming oxide superconductor patterns (1993-09-28),

Title: Seigen Otani: Innovator in Ink-Jet Technology

Introduction

Seigen Otani is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of ink-jet technology, holding a total of 8 patents. His innovative approaches have paved the way for advancements in printing technology.

Latest Patents

One of his latest patents is a method of producing an ink-jet recording head. This method utilizes ion milling to create a piezoelectric layer on a substrate, followed by the simultaneous etching of the electrode and piezoelectric layers. This process enhances the efficiency of ink ejection. Another notable patent involves an ink jet head designed with multiple nozzles that discharge ink from an ink supply unit. This design includes pressure chambers and units that apply pressure to facilitate ink discharge, improving both fabrication efficiency and reliability.

Career Highlights

Throughout his career, Seigen Otani has worked with notable companies such as Fujitsu Corporation and Fuji Photo Film Company, Limited. His experience in these organizations has contributed to his expertise in developing innovative printing solutions.

Collaborations

Seigen has collaborated with talented individuals in the field, including Yoshiaki Sakamoto and Shuji Koike. Their combined efforts have led to advancements in ink-jet technology.

Conclusion

Seigen Otani's contributions to ink-jet technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the future of printing technology.

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]