Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9410625 | Combined oil control ring | Masahiro Nakazawa, Satoshi Koizumi | 2016-08-09 |
| 9353864 | Oil ring for internal combustion engine | Yunzhi Gao, Junichi Takahashi, Gyo Muramatsu, Ryo Obara, Tetsuji Miyashita | 2016-05-31 |
| 6936296 | Ice cream and other foods made from soybean fine powder | — | 2005-08-30 |
| 6628375 | Method of and a system for measuring a stress or a stress distribution, using a stress luminescent material | Chao Xu, Morito Akiyama, Kazuhiro Nonaka | 2003-09-30 |
| 6555886 | Device having two perovskite crystalline layers that shows hysteresis and piezoelectric behavior | Chaonan Xu, Yun Liu, Morito Akiyama | 2003-04-29 |
| 6280655 | High-luminosity stress-luminescent material | Chaonan Xu, Morito Akiyama, Kazuhiro Nonaka | 2001-08-28 |
| 6240786 | Two-layer structure composite material for detecting cracks | Morito Akiyama, Kazuhiro Nonaka | 2001-06-05 |
| 6159394 | Stress emission material and its manufacturing method | Morito Akiyama, Chaonan Xu, Kazuhiro Nonaka | 2000-12-12 |
| 6117574 | Triboluminescent inorganic material and a method for preparation thereof | Chaonan Xu, Morito Akiyama | 2000-09-12 |
| 5585313 | Ceramic composite material with high heat-resistant property | Kazuhisa Shobu, Eiji Tani, Morito Akiyama | 1996-12-17 |
| 5387561 | Titanium carbide/nitride-zirconium oxide-based high-toughness ceramics | — | 1995-02-07 |
| 5294460 | Method for the preparation of silicon carbide-carbon fiber composite | Eiji Tani, Kazuhisa Shobu | 1994-03-15 |
| 5143869 | Boride-zirconium oxide-nitrogen carbide-based ceramics | Kazuhisa Shobu | 1992-09-01 |
| 5036028 | High density metal boride-based ceramic sintered body | Tsuyoshi Doutsu, Kazuhisa Shobu, Yukio Kai | 1991-07-30 |
| 4948425 | Titanium carbo-nitride and chromium carbide-based ceramics containing metals | Tsuyoshi Doutsu, Osamu Yagishita, Hideki Yamamoto, Yukio Kai | 1990-08-14 |
| 4929417 | Method of manufacture metal diboride ceramics | Kazuhisa Shobu, Yukio Kai, Hideki Yamamoto, Eiichi Sudoh, Osamu Yagishita +1 more | 1990-05-29 |
| 4910171 | Titanium hafnium carbide-boride metal based ceramic sintered body | Kazuhisa Shobu, Hideki Yamamoto | 1990-03-20 |
| 4863794 | Glassfiber reinforced fluorocarbon polymer coating composition for metal surfaces, process of preparing the same, and metal sheets coated with such coating composition | Haruki Fujii, Isao Miyawaki, Motoomi Sakai, Fumio Kanazawa | 1989-09-05 |
| 4810676 | Chromium oxide-base ceramic material | Kazuhisa Shobu, Yuji Enomoto | 1989-03-07 |
| 4808557 | Sintered titanium carbo-nitride ceramics | Kazuhisa Shobu, Yuko Tsuya, Yuji Enomoto, Junshiro Hayakawa, Osamu Yagishita +2 more | 1989-02-28 |
| 4725456 | Method for preparing mixture to be used for production of composite material | Kazuhisa Shobu | 1988-02-16 |
| 4704372 | High-strength molybdenum silicide-based ceramic material and process for producing the same | Kazuhisa Shobu | 1987-11-03 |
| 4492764 | Sintered ceramic body containing titanium carbonitride | Yuko Tsuya, Yuji Enomoto | 1985-01-08 |
| 4379852 | Boride-based refractory materials | Shinichi Kono | 1983-04-12 |
| 4292081 | Boride-based refractory bodies | Shinichi Kono | 1981-09-29 |