KO

Kiyohito Okamura

UI Ube Industries: 11 patents #70 of 1,686Top 5%
JI Japan Atomic Energy Research Institute: 6 patents #23 of 609Top 4%
UN Unknown: 3 patents #7,366 of 83,584Top 9%
NC Nippon Carbon Co.: 3 patents #11 of 58Top 20%
SO Sony: 2 patents #12,963 of 25,231Top 55%
NC Ntn Toyo Bearing Co.: 2 patents #9 of 90Top 10%
KC Kurosaki Refractories Co.: 1 patents #25 of 74Top 35%
JT Japan Science And Technology: 1 patents #225 of 836Top 30%
Overall (All Time): #94,323 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 1–25 of 36 patents

Patent #TitleCo-InventorsDate
10267579 Method and apparatus for improving thermal efficiency of heating device Takemi Yamamura, Narihito Nakagawa, Terumi Hisayuki, Motohide Toda, Hironaga Iguchi +1 more 2019-04-23
7125514 Process for producing reinforcing SiC fiber for SiC composite material Masaki Narisawa, Masaki Nishioka, Takaaki Dohmaru, Kunio Oka, Yutai Katoh +1 more 2006-10-24
6780370 Process for producing microceramic tubes by radiation exposure of silicon-based polymers Masaki Sugimoto, Akira Idesaki 2004-08-24
6635215 Process for producing silicon carbide composites from silicon-based polymers by radiation application Masaki Sugimoto, Yosuke Morita, Masayoshi Itoh 2003-10-21
5322822 Ultra-high-strength refractory silicon carbide fiber and process for producing same Tadao Seguchi, Noboru Kasai, Masaki Sugimoto, Tsuyoshi Mitsuhashi 1994-06-21
5283044 Super heat-resistant silicon carbide fibers from poly-carbosilane Hiroshi Ichikawa, Michio Takeda, Tadao Seguchi, Noboru Kasai, Masanobu Nishii 1994-02-01
5207861 Process for producing a high strength and high toughness sinter Takemi Yamamura, Toshihiro Ishikawa, Makoto Tamura, Masaki Shibuya, Mitsuhiko Sato 1993-05-04
5093096 High purity and high strength inorganic silicon nitride continuous fiber and a method of producing the same Mitsuhiko Sato, Yoshio Hasegawa, Tadao Seguchi, Shunichi Kawanishi 1992-03-03
4990470 High-strength and high-toughness sinter and process for producing the same Takemi Yamamura, Toshihiro Ishikawa, Makoto Tamura, Masaki Shibuya, Mitsuhiko Sato 1991-02-05
4954461 High purity and high strength inorganic silicon nitride continuous fiber Mitsuhiko Sato, Yoshio Hasegawa, Tadao Seguchi, Shunichi Kawanishi 1990-09-04
4916093 Method of producing continuous inorganic fiber consisting of Si, N and O Mitsuhiko Sato, Yoshio Hasegawa 1990-04-10
4879334 Organopolyarylsilanes, process for manufacturing the same and fibers comprising the same Yoshio Hasegawa 1989-11-07
4696827 Silicon carbide-carbon composite molded product and process for manufacturing the same Yoshio Hasegawa, Yoshiyasu Kuroo, Masana Ugaji 1987-09-29
4663229 Continuous inorganic fibers and process for production thereof Mantaro Yajima, Akiko Noda, Yoshio Hasegawa, Takemi Yamamura 1987-05-05
4650773 Continuous inorganic fiber consisting of Si, N and O and a method of producing the same Mitsuhiko Sato, Yoshio Hasegawa 1987-03-17
4618591 Silicon carbide-carbon composite molded product and process for manufacturing the same Yoshio Hasegawa, Yoshiyasu Kuroo, Masana Ugaji 1986-10-21
4556526 Process for production of sintered ceramic body Seishi Yajima, Yoshio Hasegawa, Takemi Yamamura 1985-12-03
4515742 Continuous inorganic fibers and process for production thereof Seishi Yajima, Akiko Noda, Yoshio Hasegawa, Takemi Yamaura 1985-05-07
4455414 Process for producing an organometallic copolymer Seishi Yajima, Yoshio Hasegawa, Takemi Yamamura 1984-06-19
4399232 Continuous inorganic fibers and process for production thereof Seishi Yajima, Yoshio Hasegawa, Takemi Yamamura 1983-08-16
4361691 Process for production of heat-resistant compounds Seishi Yajima, Toetsu Shishido 1982-11-30
4361679 Process for producing heat-resistant and moisture-resistant polyborometallosiloxanes Seishi Yajima, Toetsu Shishido 1982-11-30
4359559 Novel polymetallocarbosilane, and process for its production Seishi Yajima, Yoshio Hasegawa, Takemi Yamamura 1982-11-16
4358576 Organometallic polymer and process for production thereof Seishi Yajima, Toetsu Shishido, Kazushige Fukuda 1982-11-09
4347347 Crosslinked organometallic block copolymers and process for production thereof Seishi Yajima, Yoshio Hasegawa, Takemi Yamamura 1982-08-31