Haruo Tomita

This inventor holds 10 USPTO granted patents. Top assignees: Kanegafuchi Kagaku Kogyo Kabushiki Kaisha, Kaneka Corporation. Active years: 1985-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Haruo Tomita. Retrieved from https://idiyas.com/inventor/haruo-tomita

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 = 3.0

ph-index = 4

Forward Citations = 55(Granted Patents)

Location History:

Hyogo, JP (1991 - 1999)
Kobe, JP (1985 - 2001)

Company Filing History:

8 out of 698

Kanegafuchi Kagaku Kogyo Kabushiki Kaisha

Years Active: 1985-2001

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6262138 - Extrusion-foamed board of resin blend comprising modified polypropylene resin and polystyrene resin (2001-07-17),

2. 6103837 - Random siloxane copolymer, process for production thereof, and resin (2000-08-15),

3. 6077878 - Foam made from modified polypropylene resin and process for the (2000-06-20),

4. 5912301 - Graft-modified polyolefin resins and resin compositions containing the (1999-06-15),

5. 5902858 - Modified polypropylene resin, foam made thereof and processes for the (1999-05-11),

6. 5240999 - Polyarylate/polyester thermoplastic resin composition having high impact (1993-08-31),

7. 5017651 - Thermoplastic resin composition (1991-05-21),

8. 4810808 - Process for preparing polyglycidyl compounds (1989-03-07),

9. 4709062 - Glycidyl compound (1987-11-24),

10. 4540802 - Epoxy resin and process for preparing the same (1985-09-10),

Title: Haruo Tomita: Innovator in Resin Technology

Introduction

Haruo Tomita is a prominent inventor based in Kobe, Japan. He has made significant contributions to the field of resin technology, holding a total of 10 patents. His innovative work focuses on creating advanced materials with unique properties.

Latest Patents

One of Tomita's latest patents is for an extrusion-foamed board of a resin blend comprising modified polypropylene resin and polystyrene resin. This invention provides a foamed article that boasts low density, large thickness, a high closed cell ratio, and a small average cell diameter. The foamed extrusion article achieves a density of 50 to 10 kg/m³ and a closed cell ratio of at least 40%. This is accomplished by mixing a resin blend that includes 50 to 95 parts by weight of a polypropylene resin, 50 to 5 parts by weight of a polystyrene resin, and 0.5 to 15.0 parts by weight of a hydrogenated block copolymer of styrene, isoprene, and styrene, along with a foaming agent in an extruder, followed by release into a low-pressure zone.

Career Highlights

Throughout his career, Haruo Tomita has worked with notable companies such as Kanegafuchi Kagaku Kogyo Co., Ltd. and Kaneka Corporation. His experience in these organizations has allowed him to refine his expertise in resin technology and contribute to various innovative projects.

Collaborations

Tomita has collaborated with several talented individuals in his field, including Osamu Miyama and Kazuya Yonezawa. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Haruo Tomita's contributions to resin technology and his impressive portfolio of patents highlight his role as a key innovator in the industry. His work continues to influence advancements in material science and engineering.

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]