Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11659992 | Ophthalmic apparatus | Keiichiro Okamoto, Tomoki Hori | 2023-05-30 |
| 11369265 | Ophthalmic apparatus | Yuji Nozawa, Masahiro Yamanari | 2022-06-28 |
| 11363947 | Optical coherence tomographic device and light source | Yuji Nozawa, Chihiro Kato | 2022-06-21 |
| 11249391 | Exposure mask and manufacturing method of same | Kosuke TAKAI | 2022-02-15 |
| 11202562 | Ophthalmic apparatus | Yuji Nozawa, Chihiro Kato | 2021-12-21 |
| 10925483 | Optical coherence tomographic device and light source | Yuji Nozawa, Chihiro Kato | 2021-02-23 |
| 10912458 | Ophthalmic apparatus | Keiichiro Okamoto, Tomoki Hori | 2021-02-09 |
| 9977323 | Reflective mask and method for manufacturing reflective mask | — | 2018-05-22 |
| 9841667 | Reflective photomask, method for manufacturing same and program for making mask pattern | — | 2017-12-12 |
| 9599909 | Electrostatic chuck cleaner, cleaning method, and exposure apparatus | Yoshihito Kobayashi | 2017-03-21 |
| 9164371 | Method of correcting defects in a reflection-type mask and mask-defect correction apparatus | — | 2015-10-20 |
| 8603707 | Exposure method and exposure mask | — | 2013-12-10 |
| 8535854 | Reflective exposure mask, method of fabricating reflective exposure mask, method of inspecting reflective exposure mask, and method of cleaning reflective exposure mask | — | 2013-09-17 |
| 8354180 | Method for separating active material of electrode plate for storage battery | Kyoichi Shukuri, Shunji Kuramoto | 2013-01-15 |
| 8173332 | Reflection-type exposure mask and method of manufacturing a semiconductor device | Osamu Suga | 2012-05-08 |
| 7960076 | Reflective-type mask | Osamu Suga, Toshihiko Tanaka | 2011-06-14 |
| 5907393 | Exposure mask and method and apparatus for manufacturing the same | Kenji Kawano, Shinichi Ito, Iwao Higashikawa, Masamitsu Itoh, Hiroaki Hazama +1 more | 1999-05-25 |
| 5728494 | Exposure mask and method and apparatus for manufacturing the same | Kenji Kawano, Shinichi Ito, Iwao Higashikawa, Masamitsu Itoh, Hiroaki Hazama +1 more | 1998-03-17 |
| 5629115 | Exposure mask and method and apparatus for manufacturing the same | Kenji Kawano, Shinichi Ito, Iwao Higashikawa, Masamitsu Itoh, Hiroaki Hazama +1 more | 1997-05-13 |
| 4712419 | Air/fuel ratio detector | Tadayoshi Ikai | 1987-12-15 |
| 4682041 | Coating quality measuring device and method | Tsuneyuki Egami, Tsutomu Saito, Mitosi Ando, Ryuzou Hori, Kazunori Yoshida | 1987-07-21 |
| 4636648 | Coating quality measuring device | Tsuneyuki Egami, Tsutomu Saito, Mitosi Ando, Ryuzou Hori, Kazunori Yoshida | 1987-01-13 |
| 4574627 | Air-fuel ratio detector and method of measuring air-fuel ratio | Shigenori Sakurai, Tadayoshi Ikai | 1986-03-11 |
| 4570479 | Air-fuel ratio detector and method of measuring air-fuel ratio | Shigenori Sakurai, Tadayoshi Ikai | 1986-02-18 |
| 4553424 | Method for detecting an oxygen concentration and a method for controlling an air-to-fuel ratio based on the detected oxygen concentration | Shigenori Sakurai, Shirou Kimura | 1985-11-19 |