Toshihiko Kittaka

This inventor holds 10 USPTO granted patents. Top assignees: Murata Manufacturing Co., Ltd., Murata Mfg. Co., Ltd.. Active years: 1985-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshihiko Kittaka. Retrieved from https://idiyas.com/inventor/toshihiko-kittaka

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

USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 2.9

ph-index = 8

Forward Citations = 210(Granted Patents)

Location History:

Shijonawate, JP (1986)
Kyoto, JP (1989 - 1990)
Nagaokakyo, JP (1985 - 1994)

Company Filing History:

8 out of 13,796

Murata Manufacturing Co., Ltd.

patents

2 out of 132

Murata Mfg. Co., Ltd.

patents

Years Active: 1985-1994

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5279996 - Piezoelectric ceramic composition (1994-01-18),

2. 5233256 - Method of driving piezoelectric bimorph device and piezoelectric bimorph (1993-08-03),

3. 5057801 - Filter device of piezo-electric type including divided co-planar (1991-10-15),

4. 5045744 - Energy-trapping-by-frequency-lowering-type piezoelectric-resonance device (1991-09-03),

5. 4939403 - Energy-trapping-by-frequency-lowering-type piezoelectric resonance device (1990-07-03),

6. 4918350 - Energy-trapping-by-frequency lowering-type piezoelectric resonance device (1990-04-17),

7. 4900970 - Energy-trapping-type piezoelectric resonance device (1990-02-13),

8. 4876476 - Chip type piezoelectric device (1989-10-24),

9. 4605876 - Piezoelectric ceramic energy trapping electronic device (1986-08-12),

10. 4511483 - Piezoelectric ceramic compositions (1985-04-16),

Title: The Innovations of Toshihiko Kittaka

Introduction

Toshihiko Kittaka is a notable inventor based in Nagaokakyo, Japan. He has made significant contributions to the field of piezoelectric materials, holding a total of 10 patents. His work has advanced the understanding and application of piezoelectric ceramics in various technologies.

Latest Patents

Kittaka's latest patents include a piezoelectric ceramic composition that innovatively replaces a portion of lead in lead titanate zirconate with elements such as Ba, Sr, and Ca. This composition also incorporates specific weight percentages of Sb, Nb, Ta, Cr, Fe, Mn, Si, and Ge, enhancing its properties for practical applications. Another significant patent involves a method of driving a piezoelectric bimorph device, which utilizes the unique characteristics of piezoelectric ceramic layers to achieve efficient expansion and contraction.

Career Highlights

Throughout his career, Kittaka has worked with prominent companies, including Murata Manufacturing Co., Ltd. and Murata Mfg. Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in piezoelectric technology.

Collaborations

Kittaka has collaborated with esteemed colleagues such as Akira Ando and Yukio Sakabe. These partnerships have contributed to the advancement of his research and the successful development of his patents.

Conclusion

Toshihiko Kittaka's contributions to the field of piezoelectric materials are noteworthy and impactful. His innovative patents and collaborations reflect his dedication to advancing technology in this area.

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]