Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5474622 | Solar cell having chalcopyrite semiconductor film | Takayuki Negami, Mikihiko Nishitani, Shigemi Kohiki | 1995-12-12 |
| 5468724 | High temperature oxide superconductor | Shin-ichi Koriyama, Takeshi Sakurai, Nobuo Suzuki, Takayuki Miyatake, Hisao Yamauchi +2 more | 1995-11-21 |
| 5445847 | Method for preparing chalcopyrite-type compound | Mikihiko Nishitani, Takayuki Negami | 1995-08-29 |
| 5422304 | Method for producing a thin film, and a semiconductor device having the thin film | Shigemi Kohiki, Takayuki Negami, Mikihiko Nishitani | 1995-06-06 |
| 5389572 | Process of making chalcopyrite structure semiconductor film | Takayuki Negami, Mikihiko Nishitani, Shigemi Kohiki | 1995-02-14 |
| 5262393 | Layered copper oxides (R.sub.(1+x) Ce.sub.(2-x))Sr.sub.2 Cu.sub.2 (M.sub.1-y Cu.sub.y)O.sub.11 wherein R is a rare earth element and M is one or both of Pb and Tl | Ataru Ichinose, Kazuyuki Hamada, Hisao Yamauchi, Shoji Tanaka | 1993-11-16 |
| 5217945 | Oxide superconductors and method for producing same | Yuji Yaegashi, Ataru Ichinose, Nobuo Suzuki, Hisao Yamauchi, Shoji Tanaka | 1993-06-08 |
| 5169830 | Superconducting material | Shinichi Koriyama, Takeshi Sakurai, Nobuo Suzuki, Takayuki Miyatake, Hisao Yamauchi +2 more | 1992-12-08 |
| 5149683 | Method for producing oxide superconductor | Nobuo Suzuki, Ataru Ichinose, Yuji Yaegashi, Hisao Yamauchi, Shoji Tanaka | 1992-09-22 |
| 4902457 | Method for manufacturing a porous material or a composite sintered product comprising zirconium oxide and a carbide | Seiji Adachi, Toshihiro Mihara | 1990-02-20 |
| 4672178 | Reduced pressure heat storage element and electric heater using the same | Yoneno Hiroshi | 1987-06-09 |
| 4595516 | Heat storage material | Fumiko Yokotani, Yoshihiro Matsuo, Hiroshi Yoneno | 1986-06-17 |
| 4561989 | Heat storage material | Ryoichi Yamamoto, Fumiko Yokotani | 1985-12-31 |
| 4431558 | Heat accumulating material | Ryoichi Yamamoto | 1984-02-14 |
| 4426307 | Heat accumulative material | Ryoichi Yamamoto | 1984-01-17 |
| 4406804 | Heat accumulating material | Shoichi Ishihara, Ryoichi Yamamoto | 1983-09-27 |
| 4381245 | Supercooling inhibitor and process for preparing the same | Shoichi Ishihara, Ryoichi Yamamoto | 1983-04-26 |