Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12328128 | Sampling circuit, analog-to-digital converter circuit, and semiconductor integrated circuit | Kenta Aruga, Shota Hino | 2025-06-10 |
| 12215057 | Cement additive, cement admixture, cement composition, molded body, and method for improving strength of molded body | Kunihiko Ishizaki, Shigeru Sakamoto | 2025-02-04 |
| 11168402 | Metal corrosion inhibitor | Masashi Tonoya | 2021-11-09 |
| 10294157 | Cement additive, cement composition, and cement additive raw material | Marie Kawamura | 2019-05-21 |
| 9496885 | Analog-to-digital conversion circuit | — | 2016-11-15 |
| 8727592 | Light source module and electronic apparatus provided with same | Takuya Ishizaka, Kazuya Ikuta, Eiji Kurimoto, Sumito Nishioka, Keiji Sakai +1 more | 2014-05-20 |
| 8204408 | Development apparatus and image forming apparatus | — | 2012-06-19 |
| 8130130 | Comparison circuit and analog-to-digital conversion device | Takumi Danjo, Sanroku Tsukamoto | 2012-03-06 |
| 7986258 | Analog-digital conversion cell and analog-digital converter | Kunihiko Gotoh | 2011-07-26 |
| 7715762 | Developing apparatus and image forming apparatus including same | — | 2010-05-11 |
| 7601475 | Carrier and developing agent for electrophotography | Takeshi Katoh, Toshihisa Ishida, Yoshinori Urata, Kazuya Korematu, Mitsuhiro Hasegawa | 2009-10-13 |
| 7502576 | Development apparatus for mixing recycled developer with toner in a toner supply path and image forming apparatus having same | Hiroshi Kubota, Yasuyuki Ishiguro, Jun Yamaguchi, Hiroshi Kawahito, Yuhsuke Yoshimoto | 2009-03-10 |
| 7263317 | Particle discharge apparatus and image forming apparatus | Hiroshi Kubota, Yasuyuki Ishiguro, Yoshio Sakagawa, Jun Yamaguchi | 2007-08-28 |
| 7177577 | Particles supply apparatus and image forming apparatus | Yasuyuki Ishiguro, Hiroshi Kubota, Akira Nakakuma, Jun Yamaguchi | 2007-02-13 |
| 6664433 | Process for the purification of aromatic hydrocarbons and process for the preparation of high-purity aromatic hydrocarbons | Toshihide Senzaki, Takahiro Imamura, Katsuhide Noguchi | 2003-12-16 |
| 5568109 | Normal conducting bending electromagnet | — | 1996-10-22 |
| 5013527 | Integral multilayer analytical element for analysis of albumin | Fuminori Arai | 1991-05-07 |
| 4849705 | Method of incidence of charged particles into a magnetic resonance type accelerator and a magnetic resonance type accelerator in which this method of incidence is employed | — | 1989-07-18 |
| 4683048 | Method of manufacturing ion selective electrode pair | Sadao Yamada, Osamu Seshimoto, Akira Yamaguchi | 1987-07-28 |
| 4405704 | Triphenylmethane polymer, process for production thereof, and photoconductive compositions and members formed therefrom | Shu Watarai, Kazuo Ishii | 1983-09-20 |
| 4360660 | Triphenylmethane polymer, process for production thereof, and photoconductive compositions and members formed therefrom | Shu Watarai, Kazuo Ishii | 1982-11-23 |
| 4264710 | Photopolymerizable compositions containing inhibitor compounds having thioureylene groups | Syunichi Kondoh, Akira Umehara, Tadao Shishido, Isamu Itoh | 1981-04-28 |