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Toa Nenryo Kogyo Kabushiki Kaisha

USPTO Granted Patents = 220

Forward Citations = 2,902

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234 inventors (with patents filed for the assignee):

Hiroshi Ueno (43 out of 71 patents)

Naomi Inaba (35 out of 35 patents)

Masafumi Imai (28 out of 36 patents)

4. Shozo Wada (25 out of 25 patents)

5. Hiroyuki Furuhashi (18 out of 34 patents)

6. Katsumi Kaneko (18 out of 19 patents)

7. Takuji Itoh (16 out of 17 patents)

8. Makoto Yoda (16 out of 16 patents)

9. Takeshi Isoda (15 out of 25 patents)

10. Yoshiharu Okumura (15 out of 21 patents)

11. Tadashi Yamamoto (14 out of 15 patents)

12. Hiroshi Inoue (14 out of 42 patents)

13. Chihiro Imai (13 out of 18 patents)

14. Mikiro Arai (13 out of 17 patents)

15. Nobukazu Okamoto (12 out of 12 patents)

Core Competencies:

Silicon Nitride Fibers

Calcium-Phosphate Hydroxyapatite

Polysiloxazanes

Carbon Fiber Composites

Epoxy Resin Curing Agents

Damping Systems

Synthetic Lubricating Oils

Solid Electrolyte Fuel Cells

Ultrasonic Burner Systems

Inorganic Polysilazane

Hydrotreating Catalysts

Microporous Polyolefin

220 patents: Sort by Forward Citations

1. 5426051 - Gene for A-type inclusion body of poxvirus (1995-06-20),

2. 5217699 - Calcium-phosphate type hydroxyapatite (1993-06-08),

3. 5166104 - Polysiloxazanes, silicon oxynitride fibers and processes for producing (1992-11-24),

4. 5151390 - Silicon nitride-based fibers and composite material reinforced with (1992-09-29),

5. 5145812 - Molded articles formed of silicon nitride based ceramic and process for (1992-09-08),

6. 5145728 - Oriented polyethylene film (1992-09-08),

7. 5127822 - Combustion apparatus with atomizer and method of controlling same (1992-07-07),

8. 5122417 - Fiber-reinforced composite resin pultrusion products and method of (1992-06-16),

9. 5114697 - High strength, high modulus pitch-based carbon fiber (1992-05-19),

10. 5091474 - Epoxy resin curing agent based on blends containing disecondary aromatic (1992-02-25),

11. 5082566 - Calcium-phosphate type hydroxyapatite for chromatographic separation and (1992-01-21),

12. 5079323 - Polysiloxazanes, silicon oxynitride fibers and processes for producing (1992-01-07),

13. 5076403 - Damping system for vibrating body (1991-12-31),

14. 5043204 - Oriented polyethylene film (1991-08-27),

15. 5041252 - Nonwoven fabric of water-soluble resin fibers (1991-08-20),

Toa Nenryo Kogyo Kabushiki Kaisha is a leading Japanese company specializing in the production and distribution of energy-related products. With a strong focus on innovation and sustainability, the company offers a wide range of high-quality fuels, chemicals, and equipment for various industries. Toa Nenryo Kogyo Kabushiki Kaisha aims to contribute to a more efficient and environmentally friendly energy sector through continuous research and development.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Jan 6 2026

220 Patents

#18 in

#640 in Japan

#3,777 in the World

Toa Nenryo Kogyo Kabushiki Kaisha

Forward Citations = 2,902

234 inventors:

Hiroshi Ueno (43 out of 71 patents)

Naomi Inaba (35 out of 35 patents)

Masafumi Imai (28 out of 36 patents)

4. Shozo Wada (25 out of 25 patents)

5. Hiroyuki Furuhashi (18 out of 34 patents)

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