Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6896927 | Method of preventing organic contamination from the atmosphere of electronic device substrates and electronic device substrates treated therewith | — | 2005-05-24 |
| 6851873 | Method and apparatus for removing organic films | Rieko Muraoka, Asuka Sato, Mitsuru Endo | 2005-02-08 |
| 6699330 | Method of removing contamination adhered to surfaces and apparatus used therefor | — | 2004-03-02 |
| 6696228 | Method and apparatus for removing organic films | Rieko Muraoka, Asuka Sato, Mitsuru Endo | 2004-02-24 |
| 6059887 | Process for cleaning the interior of semiconductor substrate | Hiroshi Tomita, Soichi Nadahara, Norio Kobayashi | 2000-05-09 |
| 6054373 | Method of and apparatus for removing metallic impurities diffused in a semiconductor substrate | Hiroshi Tomita, Ryuji Takeda | 2000-04-25 |
| 5772738 | Multifunctional air filter and air-circulating clean unit with the same incorporated therein | — | 1998-06-30 |
| 5681398 | Silicone wafer cleaning method | — | 1997-10-28 |
| 5643404 | Method for examination of silicon wafer surface defects | Yuji Fukazawa | 1997-07-01 |
| 5636256 | Apparatus used for total reflection fluorescent X-ray analysis on a liquid drop-like sample containing very small amounts of impurities | Tuyoshi Matumura, Kunihiro Miyazaki | 1997-06-03 |
| 5635463 | Silicon wafer cleaning fluid with HN0.sub.3, HF, HCl, surfactant, and water | — | 1997-06-03 |
| 5350489 | Treatment method of cleaning surface of plastic molded item | — | 1994-09-27 |
| 5290361 | Surface treating cleaning method | Ichiro Hayashida, Masahiko Kakizawa, Kenichi Umekita, Hiroyoshi Nawa | 1994-03-01 |
| 5284802 | Container for semiconductor wafer sample and method of preparing sample | Takeyoshi Kakizaki | 1994-02-08 |
| 4587928 | Apparatus for producing a semiconductor device | Toshio Yonezawa | 1986-05-13 |
| 4515755 | Apparatus for producing a silicon single crystal from a silicon melt | Shuitsu Matsuo, Yasuhiro Imanishi, Hideo Nagashima, Masaharu Watanabe, Toshiro Usami | 1985-05-07 |
| 4339340 | Surface-treating agent adapted for intermediate products of a semiconductor device | Masafumi Asano, Taizo Ohashi, Yuzo Shimazaki | 1982-07-13 |
| 4239661 | Surface-treating agent adapted for intermediate products of a semiconductor device | Masafumi Asano, Taizo Ohashi, Yuzo Shimazaki | 1980-12-16 |