Issued Patents All Time
Showing 526–550 of 600 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5313982 | Gas supply piping device for a process apparatus | Nakahara Fumio, Tuyosi Satoh, Masaru Umeda | 1994-05-24 |
| 5295668 | Metal tube oxidation treatment apparatus | Yoshiyuki Nakahara, Shigeki Hayashi, Takashi Sakanaka, Eiji Ohta, Fumio Nakahara | 1994-03-22 |
| 5291142 | Method and apparatus for measuring the resistance of conductive materials due to electromigration | — | 1994-03-01 |
| 5277835 | Surface treatment agent for fine surface treatment | Masahiro Miki, Hirohisa Kikuyama | 1994-01-11 |
| 5272417 | Device for plasma process | — | 1993-12-21 |
| 5258657 | Neuron circuit | Tadashi Shibata | 1993-11-02 |
| 5254229 | Electrified object neutralizing method and neutralizing device | Hitoshi Inaba | 1993-10-19 |
| 5241987 | Process gas supplying apparatus | Kazuhiko Sugiyama, Fumio Nakahara | 1993-09-07 |
| 5226968 | Apparatus and method for oxidation treatment of metal | Kazuhiko Sugiyama, Fumio Nakahara, Satoshi Mizokami | 1993-07-13 |
| 5227647 | Semiconductor switching device | Jun-ichi Nishizawa | 1993-07-13 |
| 5224998 | Apparatus for oxidation treatment of metal | Kazuhiko Sugiyama, Fumio Nakahara, Satoshi Mizokami | 1993-07-06 |
| RE34303 | Metal diaphragm valve | Yohichi Kanno, Kazuhiko Satoh, Tadahiro Hatayama | 1993-07-06 |
| 5210434 | Photoelectric converter with scanning circuit | Nobuyoshi Tanaka | 1993-05-11 |
| 5175598 | Semiconductor switching device | Jun-ichi Nishizawa | 1992-12-29 |
| 5160429 | Piping system for supplying ultra-pure water | Michiya Kawakami, Tadashi Shibata, Masaru Umeda | 1992-11-03 |
| RE34106 | Semiconductor manufacturing apparatus | — | 1992-10-20 |
| 5149378 | Tungsten film forming apparatus | Nobuhiro Miki, Matagoroh Maeno, Hirohisa Kikuyama | 1992-09-22 |
| 5139623 | Method of forming oxide film on stainless steel | Akihiko Hogetsu, Kenichi Ushikoshi, Masao Saito | 1992-08-18 |
| 5128735 | Photoelectric converter with phototransistor and refresh means | Nobuyoshi Tanaka | 1992-07-07 |
| 5124033 | Ultrapure water producing system | Akihiko Hogetsu, Kenichi Ushikoshi, Masao Saito | 1992-06-23 |
| 5119541 | Wafer succeptor apparatus | Masaru Umeda | 1992-06-09 |
| 5110438 | Reduced pressure surface treatment apparatus | Tadashi Shibata, Masaru Umeda | 1992-05-05 |
| 5106503 | Ultra-pure water supply piping system | Tetsuo Mizuniwa | 1992-04-21 |
| 5100495 | Dry etching apparatus with diluted anhydrous hydrogen fluoride gas generator | Masahiro Miki, Hirohisa Kikuyama, Matagoro Maeno | 1992-03-31 |
| 5073232 | Method of anhydrous hydrogen fluoride etching | Masahiro Miki, Hirohisa Kikuyama, Matagoro Maeno | 1991-12-17 |