Issued Patents All Time
Showing 1–25 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11955390 | Semiconductor wafer evaluation method and semiconductor wafer manufacturing method | Takahiro NAGASAWA, Hirotaka Kato | 2024-04-09 |
| 11948789 | Wafer production method | Toshiyuki Tanaka | 2024-04-02 |
| 9958063 | Hydraulic control device and method for controlling the same | Seiichiro Takahashi, Tomoaki Honma, Tomoaki Kabe, Nobuhiko Morifuji, Nobuhide Kato +2 more | 2018-05-01 |
| 9881783 | Method for processing semiconductor wafer | Toshiyuki Tanaka, Tomohiro Hashii | 2018-01-30 |
| 9324558 | Machining process for semiconductor wafer | Toshiyuki Tanaka, Tomohiro Hashii | 2016-04-26 |
| 9190267 | Epitaxial silicon wafer and production method thereof | Takayuki Kihara, Kazushige Takaishi | 2015-11-17 |
| 8298437 | Alkali etching liquid for silicon wafer and etching method using same | Takahisa Nakashima, Makoto Takemura | 2012-10-30 |
| 8080106 | Epitaxial silicon wafer and production method thereof | Takayuki Kihara, Kazushige Takaishi | 2011-12-20 |
| 7902039 | Method for manufacturing silicon wafer | Shinichi Tomita, Masao Yoshimuta, Akira Nakashima | 2011-03-08 |
| 7781313 | Method for manufacturing silicon wafer | Shinichi Tomita, Masao Yoshimuta, Akira Nakashima | 2010-08-24 |
| 7618897 | Alkali etching liquid for silicon wafer and etching method using same | Takahisa Nakashima, Makoto Takemura | 2009-11-17 |
| 6857514 | Damper mechanism | Michitomo Masaki, Tatsuyuki Aoki | 2005-02-22 |
| RE38580 | Clutch operating mechanism | — | 2004-09-14 |
| 6789655 | Damper mechanism | Michitomo Masaki, Tatsuyuki Aoki | 2004-09-14 |
| 6778124 | Low power, high speed analog to digital converter | Hiroyuki Okada | 2004-08-17 |
| 6659876 | Damper mechanism | — | 2003-12-09 |
| 6482093 | Damper disk assembly | Hiroshi Uehara | 2002-11-19 |
| 6375575 | Damper mechanism | — | 2002-04-23 |
| 6349194 | Order receiving method and apparatus for making sound-accompanying photographs | Iwao Nozaki, Shinichi Imade | 2002-02-19 |
| 6332843 | Damper disk assembly | — | 2001-12-25 |
| 6270417 | Damper mechanism | — | 2001-08-07 |
| 6095706 | Writing instrument operated by a finger at a holding position | Haruo Yamashita | 2000-08-01 |
| 5971126 | Clutch cover assembly having a wear compensation mechanism with diaphragm spring attitude control | — | 1999-10-26 |
| 5915867 | Capless writing tool | — | 1999-06-29 |
| 5913398 | Clutch disc assembly having a cushioning plate | Ikuo Murata, Hiroshi Teramae | 1999-06-22 |