Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12187618 | Silica particle dispersion liquid and production method thereof | Mitsuaki Kumazawa, Ryo Muraguchi, Michio Komatsu | 2025-01-07 |
| 12134563 | Porous silica particles and method for producing same | Takuji Miyamoto, Ryo Muraguchi | 2024-11-05 |
| 11613683 | Method for producing chain-like particle dispersion, and dispersion of chain-like particles | Masanobu Taniguchi, Mitsuaki Kumazawa, Ryo Muraguchi | 2023-03-28 |
| 11542167 | Silica particle dispersion liquid and production method thereof | Shogo Hayashi, Mitsuaki Kumazawa, Ryo Muraguchi, Michio Komatsu | 2023-01-03 |
| 11492513 | Dispersion liquid of silica particles, polishing composition, and method for producing dispersion liquid of silica particles | Mitsuaki Kumazawa, Ryo Muraguchi, Michio Komatsu | 2022-11-08 |
| 11427730 | Dispersion liquid of silica particles and production method therefor | Mitsuaki Kumazawa, Hirotada ARAKANE, Ryo Muraguchi, Toshiharu Hirai | 2022-08-30 |
| 11312634 | Production method for dispersion liquid of silica particle | Mitsuaki Kumazawa, Hirotada ARAKANE, Ryo Muraguchi, Toshiharu Hirai | 2022-04-26 |
| 11254580 | Silica particle liquid dispersion and production method therefor | Mitsuaki Kumazawa, Hirotada ARAKANE, Ryo Muraguchi, Toshiharu Hirai | 2022-02-22 |
| 10358353 | Method for producing disintegrated silica particles | Ryo Muraguchi, Mitsuaki Kumazawa, Masanobu Taniguchi, Tsuguo Koyanagi, Michio Komatsu +1 more | 2019-07-23 |
| 10301183 | Silica particle dispersion and production method of the same | Mitsuaki Kumazawa, Hirotada ARAKANE, Ryo Muraguchi, Toshiharu Hirai | 2019-05-28 |
| 10190023 | Silica-based polishing particle and abrasive | Mitsuaki Kumazawa, Hirotada ARAKANE, Ryo Muraguchi, Toshiharu Hirai | 2019-01-29 |
| 10184069 | Silica-based polishing particle and abrasive | Mitsuaki Kumazawa, Hirotada ARAKANE, Ryo Muraguchi, Toshiharu Hirai | 2019-01-22 |
| 8686101 | Coating liquid for forming low dielectric constant amorphous silica-based coating film and the coating film obtained from the same | Hiroki Arao, Akira Nakashima, Michio Komatsu | 2014-04-01 |
| 8227028 | Method for forming amorphous silica-based coating film with low dielectric constant and thus obtained amorphous silica-based coating film | Akira Nakashima, Michio Komatsu | 2012-07-24 |
| 8062414 | Coating liquid for forming amorphous silica-based coating film with low dielectric constant | Akira Nakashima, Michio Komatsu, Yoshihiro Nakata, Ei Yano, Katsumi Suzuki | 2011-11-22 |
| 7998567 | Coating liquid for formation of protective film for semiconductor processing and method for preparation of the same | Hiroki Arao, Akira Nakashima, Michio Komatsu | 2011-08-16 |
| 7232769 | Method of forming amorphous silica-based coating film with low dielectric constant and thus obtained silica-based coating film | Akira Nakashima, Michio Komatsu, Yoshihiro Nakata, Ei Yano, Katsumi Suzuki | 2007-06-19 |
| 6716773 | Process for producing semiconductor substrates | Ryo Muraguchi | 2004-04-06 |
| 6599846 | Method of forming a silica-containing coating film with a low dielectric constant and semiconductor substrate coated with such a film | Michio Komatsu, Akira Nakashima, Ryo Muraguchi | 2003-07-29 |
| 6451436 | Coating liquid for forming a silica-containing film with a low-dielectric constant and substrate coated with such a film | Michio Komatsu, Akira Nakashima | 2002-09-17 |
| 6261357 | Coating liquid for forming low-permittivity silica film and substrate having low-permittivity coating film | Akira Nakashima, Michio Komatsu | 2001-07-17 |