Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6447700 | Resin composition for optical fiber loose tubes, optical fiber loose tube and production process thereof | Masamori Ohno, Shinichi Sasaki, Hiroyasu Oki | 2002-09-10 |
| 6355716 | Silicon wafer carrier | En Lai Zhang, Satoshi Yamamoto, Takayoshi Numata | 2002-03-12 |
| 6268030 | Silicon wafer carrier | En Lai Zhang, Satoshi Yamamoto, Takayoshi Numata | 2001-07-31 |
| 6028134 | Thermoplastic resin composition having laser marking ability | En Lai Zhang, Mioko Suzuki, Yoshinari Ogawa | 2000-02-22 |
| 5191056 | Arylene sulfide ketone copolymer and preparation process thereof | Hiroo Inata, Shunichi Matsumura | 1993-03-02 |
| 4985053 | Gas separation membrane | — | 1991-01-15 |
| 4861904 | Schiff base metal complex compounds, and organometallic ultrathin film composed thereof and oxygen separation films composed thereof | — | 1989-08-29 |
| 4820486 | Low alloy steel having good stress corrosion cracking resistance | Kazutoshi Shimogori, Kazuo Fujiwara, Kikuo Morita, Takenori Nakayama, Mutsuhiro Miyakawa +1 more | 1989-04-11 |
| 4759780 | Apparatus for concentrating a gas, especially oxygen, from a gaseous mixture using an ultrathin solid membrane | Takeyoshi Yamada, Shizuka Kurisu, Shizuo Azuma, Teizo Yamaji | 1988-07-26 |
| 4481033 | High Mn-Cr non-magnetic steel | Kazuo Fujiwara, Fujiko Uetani | 1984-11-06 |
| 4406673 | Ultrathin solid membrane, process for production thereof, and use thereof for concentrating a specified gas in a gaseous mixture | Takeyoshi Yamada, Shizuka Kurisu, Shizuo Azuma, Teizo Yamaji | 1983-09-27 |
| 4393113 | Novel silicon-containing copolymer, ultrathin solid membrane composed of said copolymer, use of said solid membrane for concentrating a specified gas in a gaseous mixture, and process for producing said solid membrane | Takeyoshi Yamada, Teizo Yamaji | 1983-07-12 |
| 4244859 | Aromatic polyester composition | Shizuka Kurisu, Shingo Emi, Shizuo Azuma, Toshiaki Harada, Shoji Kawase | 1981-01-13 |