Issued Patents All Time
Showing 26–50 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5510157 | Method of producing diamond of controlled quality | Chia-Fu Chen, Kazuhito Nishimura, Ensei Ko, Satoru Hosomi | 1996-04-23 |
| 5296111 | Method of treating photographic processing wastes | Seiji Suzuki, Kozo Aoki, Yoshiya Ohara | 1994-03-22 |
| 5061292 | Diamond abrasive and method for producing the same | Chia-Fu Chen, Ensei Ko, Satoru Hosomi | 1991-10-29 |
| D314374 | Key telephone set | Yoshio Sasaki, Iwamasa Nishikado, Tsuneji Kimeda | 1991-02-05 |
| 4854083 | Polishing machine using super abrasive grains | Toshio Togano | 1989-08-08 |
| 4844988 | Diamond composite and method for producing the same | Satoshi Hayakawa | 1989-07-04 |
| D301578 | Telephone handset | Yoshio Sasaki, Iwamasa Nishikado, Tsuneji Kimeda | 1989-06-13 |
| 4762696 | Method of purificating titanium tetrachloride | — | 1988-08-09 |
| 4749409 | Method of purifying refractory metal | — | 1988-06-07 |
| 4715317 | Method for producing of polycrystalline silicon and apparatus thereof | — | 1987-12-29 |
| 4699704 | Electrolytic cell for a molten salt | — | 1987-10-13 |
| 4647355 | Apparatus for molten salt electrolysis | — | 1987-03-03 |
| 4637370 | Rotary saw blade | — | 1987-01-20 |
| 4596693 | Method of producing a composite compact of cBN and WC-Co | Shuhei Kuge | 1986-06-24 |
| 4595573 | Chlorinator furnace and method for producing tetrachloride of such metals as titanium and zirconium | — | 1986-06-17 |
| 4584018 | Method for production of refractory metal from a chloride thereof | — | 1986-04-22 |
| 4565354 | Apparatus for producing purified refractory metal from a chloride thereof | — | 1986-01-21 |
| 4527778 | Apparatus for production of refractory metal from a chloride thereof | — | 1985-07-09 |
| 4518334 | High temperature high pressure apparatus | — | 1985-05-21 |
| 4495037 | Method for electrolytically obtaining magnesium metal | — | 1985-01-22 |
| 4481085 | Apparatus and method for electrolysis of MgCl.sub.2 | — | 1984-11-06 |
| 4441925 | Method and an apparatus for producing titanium metal from titanium tetrachloride | — | 1984-04-10 |
| 4440573 | Method for producing diamond compact | — | 1984-04-03 |
| 4414246 | Method for protecting environment from volatile liquid chloride as exposed to the atmosphere | — | 1983-11-08 |
| 4411672 | Method for producing composite of diamond and cemented tungsten carbide | — | 1983-10-25 |