Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12202991 | Ink and ink-jet recording method | Ha SAI, Shogo Toda, Michiaki TAKEDA | 2025-01-21 |
| 11966102 | Spectacle lens and spectacles | — | 2024-04-23 |
| 11938734 | Cleaning solution and inkjet printer cleaning method | Ha SAI, Toru Ishii | 2024-03-26 |
| 11709292 | Optical plastic product, and plastic spectacle lens and spectacles | — | 2023-07-25 |
| 11668957 | Optical product, plastic spectacle lens, and spectacles | — | 2023-06-06 |
| 11422287 | Plastic spectacle lens and spectacles | Koji Imai, Hiroshi Ueno | 2022-08-23 |
| 10994544 | Cleaning liquid and method of cleaning ink-jet printer | Ha SAI, Tetsuya Iwazaki | 2021-05-04 |
| 10663634 | ND filter with plastic base material, and ND filter with plastic base material for eyeglasses | Ryosuke Suzuki | 2020-05-26 |
| 10107941 | Optical product, and spectacle lens and spectacles | — | 2018-10-23 |
| 10101502 | Optical product and spectacle lens | — | 2018-10-16 |
| 10057756 | Terminal detection method and communication device | Masaki Ichikawa, Koichi Nagata, Shigeaki Esaka, Motoi Nagata | 2018-08-21 |
| 10031349 | Optical product, and spectacle lens and spectacles | — | 2018-07-24 |
| 9651713 | Optical product and spectacle plastic lens | — | 2017-05-16 |
| 9022561 | Plastic optical product and plastic lens for spectacles | Tsuyoshi Fukagawa | 2015-05-05 |
| 8908275 | Optical product and spectacle plastic lens | Tsuyoshi Fukagawa, Koji Yamamoto | 2014-12-09 |
| 8746880 | Optical product and eyeglass plastic lens | Tsuyoshi Fukagawa, Noboru Otani | 2014-06-10 |
| 8746878 | Optical member, plastic lens for eyeglasses, and method for manufacturing the same | Tsuyoshi Fukagawa, Kazuyoshi Umemura | 2014-06-10 |
| 6906154 | Catalyst for the polymerization of olefins | Masaki Fushimi | 2005-06-14 |
| 6833755 | Modulator and demodulator | Kazuo Akaike | 2004-12-21 |
| 6747524 | Modulator and demodulator | Kazuo Akaike | 2004-06-08 |
| 6323298 | Propylene-based polymer, method for its production, composition thereof, catalyst component for polymerization, and method for its production | Hisayoshi Yanagihara, Kazuyuki Watanabe, Satoshi Iwamoto, Kazuharu Itoh | 2001-11-27 |
| 6184328 | Propylene-based polymer, method for its production, composition thereof, catalyst component for polymerization, and method for its production | Hisayoshi Yanagihara, Kazuyuki Watanabe, Satoshi Iwamoto, Kazuharu Itoh | 2001-02-06 |
| 5916990 | Propylene-based polymer, method of its production, composition thereof, catalyst component for polymerization, and method for its production | Hisayoshi Yanagihara, Kazuyuki Watanabe, Satoshi Iwamoto, Kazuharu Itoh | 1999-06-29 |
| 5902765 | Solid catalyst components for olefin polymerization | Yasushi Kuroda, Masaki Fushimi, Shintaro Inazawa | 1999-05-11 |
| 5885920 | Process for producing catalyst carrier for olefin polymerization | Yasushi Kuroda, Shinya WAKI, Hisayoshi Yanagihara, Koichi Sekiya | 1999-03-23 |