Issued Patents All Time
Showing 1–25 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12387959 | Transport device having local purge function | Katsunori Sakata, Hidekazu Okutsu, Kenji Hirota | 2025-08-12 |
| 11227784 | Thin plate substrate-holding device and transfer robot provided with this holding device | Katsunori Sakata | 2022-01-18 |
| 8193472 | Susceptor | Yi-Cheng Huang, Kazuyuki Fukuda, Gaku Kumai | 2012-06-05 |
| 7933665 | Method and system for teaching reference position of semiconductor wafer in automated wafer handling manufacturing equipment | Fumio Sakiya, Tetsuya Nagao, Toshiyuki Ikeda | 2011-04-26 |
| 5725677 | Dry cleaning process for cleaning a surface | Rinji Sugino, Masaki Okuno | 1998-03-10 |
| 5693578 | Method of forming thin silicon oxide film with high dielectric breakdown and hot carrier resistance | Toshiro Nakanishi, Masaki Okuno | 1997-12-02 |
| 5578133 | Dry cleaning process for cleaning a surface | Rinji Sugino, Masaki Okuno | 1996-11-26 |
| 5504022 | Method of making a semiconductor memory device having a floating gate | Toshiro Nakanishi | 1996-04-02 |
| 5270866 | Compact zoom lens | Kouji Oizumi, Keiji Ikemori, Yasuyuki Yamada, Hiroki Nakayama, Takashi Matsushita | 1993-12-14 |
| 4983543 | Method of manufacturing a semiconductor integrated circuit having an interconnection wire embedded in a protective layer covering the semiconductor integrated circuit | Takushi Motoyama | 1991-01-08 |
| 4871238 | Photographic optical device with variable magnification | Yasuyuki Yamada, Hiroki Nakayama, Kouji Oizumi | 1989-10-03 |
| 4862202 | Magnification change-over device for camera | Takayuki Tsuboi, Isao Nakazawa, Yoshihiro Harunari, Yasuyuki Yamada | 1989-08-29 |
| 4842395 | Finder of variable magnification | Nozomu Kitagishi, Yasuyuki Yamada, Hiroki Nakayama, Kouji Oizumi | 1989-06-27 |
| 4830474 | Variable magnification optical system | Hiroki Nakayama, Kouji Oizumi, Yasuyuki Yamada | 1989-05-16 |
| 4815830 | Small sized zoom lens | Yasuyuki Yamada, Hiroki Nakayama | 1989-03-28 |
| 4779969 | Finding device of variable magnification | Shinya Yomogizawa | 1988-10-25 |
| 4770508 | Conversion lens releasably attached behind master lens | Yasuyuki Yamada, Hiroki Nakayama, Kouji Oizumi | 1988-09-13 |
| 4757336 | View finder of variable magnification | Hiroki Nakayama, Kouji Oizumi, Yasuyuki Yamada | 1988-07-12 |
| 4751539 | Variable power finder | Yasuyuki Yamada, Hiroki Nakayama, Kouji Oizumi | 1988-06-14 |
| 4726668 | Zoom lens of short total length | Hiroki Nakayama, Kouji Oizumi, Yasuyuki Yamada | 1988-02-23 |
| 4715692 | Varifocal type finder | Yasuyuki Yamada, Kazuo Fujibayashi, Hideo Yokota | 1987-12-29 |
| 4702581 | Flash device for camera | Yasuyuki Yamada, Hiroki Nakayama, Kouji Oizumi | 1987-10-27 |
| 4697882 | Beam splitter for changing optical paths small tilt | Yasuyuki Yamada, Hiroki Nakayama, Kouji Oizumi | 1987-10-06 |
| 4695134 | Compact photographic lens | Hiroki Nakayama, Yasuyuki Yamada | 1987-09-22 |
| 4679913 | Vari-focal objective lens of short total length | Yasuyuki Yamada, Hiroki Nakayama, Kouji Oizumu | 1987-07-14 |