Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12362720 | Single filter with two passbands | Patrick Marcus Naraine | 2025-07-15 |
| 11563423 | Filter including acoustic wave resonator in parallel with circuit element | Tomoya Komatsu, Stephane Richard Marie Wloczysiak | 2023-01-24 |
| 9722574 | Acoustic wave device | — | 2017-08-01 |
| 9641151 | Elastic wave filters and duplexers using same | — | 2017-05-02 |
| 9608596 | Acoustic wave device and antenna duplexer including same | — | 2017-03-28 |
| 9407237 | Acoustic wave device and antenna duplexer including same | — | 2016-08-02 |
| 9287849 | Elastic wave device | Seiichi Hatakenaka | 2016-03-15 |
| 9257962 | Elastic wave device | Kazunori Nishimura | 2016-02-09 |
| 9172350 | Elastic wave apparatus | Kazunori Nishimura | 2015-10-27 |
| 9154114 | Acoustic wave device | — | 2015-10-06 |
| 8803402 | Elastic wave device | — | 2014-08-12 |
| 5171654 | Toners for developing electrostatic images | Hiroshi Yamazaki, Yuki Okuyama, Yoshiaki Koizumi, Isao Endou | 1992-12-15 |
| 4968573 | Method of developing electrostatic latent images | Tadashi Kaneko, Yuki Okuyama, Mitsutaka Arai, Yoko Yamamoto | 1990-11-06 |
| 4960664 | Developer composition for developing electrostatic image and toner image forming process | Hiroyuki Yamada, Hiroyuki Takagiwa, Hiroya Masaki, Takahira Kasuya, Jiro Takahashi +1 more | 1990-10-02 |
| 4940644 | Toner for development of electrostatic images and image forming method by use thereof | Akitoshi Matsubara, Kunio Akimoto, Yoshio Takizawa | 1990-07-10 |
| 4935327 | Polyester toner with antioxidant for development of electrostatic latent image | Yoshio Takizawa, Jiro Takahashi, Akitoshi Matsubara | 1990-06-19 |
| 4931375 | Powdered electrostatic image developing toner | Kunio Akimoto, Yoshio Takizawa | 1990-06-05 |
| 4917983 | Toner for developing an electrostatic latent image comprising linear polyester polymer | Masafumi Uchida, Hiroyuki Takagiwa | 1990-04-17 |
| 4883734 | Toner for development of electrostatic image and method of fixing employing the same | Mitutaka Arai, Yuki Okuyama, Hideki Yuri, Tomoo Shiohara, Yasuhiko Oyama | 1989-11-28 |
| 4882258 | Toner for development of electrostatic image and electrostatic latent image developer | Mitutaka Arai, Yuki Okuyama, Akitoshi Matsubara | 1989-11-21 |
| 4871647 | Method of forming color diffusion transfer image by heat development | Tawara Komamura, Masaru Iwagaki, Takashi Sasaki, Wataru Ishikawa | 1989-10-03 |
| 4868078 | Imaging member having an amorphous silicon surface layer | Eiichi Sakai, Yuki Okuyama, Yoshihide Fujimaki, Toshinori Yamazaki | 1989-09-19 |
| 4863824 | Toner for developing electrostatic latent image | Masafumi Uchida, Hiroyuki Takagiwa, Hideyo Nishikawa, Shingo Tanaka, Kuniyasu Kawabe | 1989-09-05 |
| 4795689 | Electrostatic image developing toner for use in heat-roller fixing | Akitoshi Matsubara, Kunio Akimoto, Yoshio Takizawa | 1989-01-03 |
| 4647520 | Electrophotographic photoreceptor containing an azo compound | Kazumasa Watanabe, Osamu Sasaki, Naohiro Hirose | 1987-03-03 |