Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12187618 | Silica particle dispersion liquid and production method thereof | Miki Egami, Mitsuaki Kumazawa, Michio Komatsu | 2025-01-07 |
| 12134563 | Porous silica particles and method for producing same | Miki Egami, Takuji Miyamoto | 2024-11-05 |
| 12122684 | Method for producing dispersion of iron-containing rutile titanium oxide fine particles, iron-containing rutile titanium oxide fine particles, and use thereof | Jun Yamaguchi, Takumi Miyazaki, Tatsuya Uehara | 2024-10-22 |
| 11679990 | Method for producing dispersion of iron-containing rutile titanium oxide fine particles, iron-containing rutile titanium oxide fine particles, and use thereof | Jun Yamaguchi, Takumi Miyazaki, Tatsuya Uehara | 2023-06-20 |
| 11613683 | Method for producing chain-like particle dispersion, and dispersion of chain-like particles | Miki Egami, Masanobu Taniguchi, Mitsuaki Kumazawa | 2023-03-28 |
| 11542167 | Silica particle dispersion liquid and production method thereof | Shogo Hayashi, Miki Egami, Mitsuaki Kumazawa, Michio Komatsu | 2023-01-03 |
| 11492513 | Dispersion liquid of silica particles, polishing composition, and method for producing dispersion liquid of silica particles | Miki Egami, Mitsuaki Kumazawa, Michio Komatsu | 2022-11-08 |
| 11427730 | Dispersion liquid of silica particles and production method therefor | Miki Egami, Mitsuaki Kumazawa, Hirotada ARAKANE, Toshiharu Hirai | 2022-08-30 |
| 11312634 | Production method for dispersion liquid of silica particle | Miki Egami, Mitsuaki Kumazawa, Hirotada ARAKANE, Toshiharu Hirai | 2022-04-26 |
| 11254580 | Silica particle liquid dispersion and production method therefor | Miki Egami, Mitsuaki Kumazawa, Hirotada ARAKANE, Toshiharu Hirai | 2022-02-22 |
| 10358353 | Method for producing disintegrated silica particles | Miki Egami, Mitsuaki Kumazawa, Masanobu Taniguchi, Tsuguo Koyanagi, Michio Komatsu +1 more | 2019-07-23 |
| 10301183 | Silica particle dispersion and production method of the same | Miki Egami, Mitsuaki Kumazawa, Hirotada ARAKANE, Toshiharu Hirai | 2019-05-28 |
| 10239759 | Method of producing silica-based particles | Mitsuaki Kumazawa, Toshiharu Hirai | 2019-03-26 |
| 10190023 | Silica-based polishing particle and abrasive | Mitsuaki Kumazawa, Miki Egami, Hirotada ARAKANE, Toshiharu Hirai | 2019-01-29 |
| 10184069 | Silica-based polishing particle and abrasive | Mitsuaki Kumazawa, Miki Egami, Hirotada ARAKANE, Toshiharu Hirai | 2019-01-22 |
| 10040943 | Method of producing silica-based particles | Mitsuaki Kumazawa, Toshiharu Hirai, Masafumi Hirai | 2018-08-07 |
| 9856407 | Water-repellant transparent coating-substrate assembly and process for producing the same | Yuhko Hakoshima, Masayuki Matsuda, Kazutaka Egami, Tsuguo Koyanagi, Mitsuaki Kumazawa +2 more | 2018-01-02 |
| 9834663 | Composition for forming a transparent coating film including hollow silica particles | Ryota Sueyoshi, Masayuki Matsuda, Mitsuaki Kumazawa, Toshiharu Hirai | 2017-12-05 |
| 9683108 | Antireflective laminate | Utako Mizuno, Midori Nakajo, Seiji Shinohara, Toshio Yoshihara, Hiroyasu Nishida +1 more | 2017-06-20 |
| 8748001 | Substrate with hard coat film and coating solution for forming hard coat film comprising core-shell composite oxide surface-treated with an organic silicon compound | Mitsuaki Kumazawa, Wataru Futagami, Yuji Tawarazako, Masayuki Matsuda, Toshiharu Hirai | 2014-06-10 |
| 7323122 | Silica-based particles coated with antimony oxide, method of producing the particles, and base material with a coating film including the particles | Mitsuaki Kumazawa, Hiroyasu Nishida, Toshiharu Hirai | 2008-01-29 |
| 7309457 | Chain inorganic oxide fine particle groups | Masayuki Matsuda, Hiroyasu Nishida, Toshiharu Hirai, Mitsuaki Kumazawa | 2007-12-18 |
| 6716773 | Process for producing semiconductor substrates | Miki Egami | 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, Miki Egami | 2003-07-29 |
| 6455154 | Production of short fiber silica | Akira Nakashima, Kazuaki Inoue, Michio Komatsu | 2002-09-24 |