Issued Patents All Time
Showing 1–25 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12197747 | Logic simulation device | HARUKO TAKAHASHI, Midori Aizawa | 2025-01-14 |
| 12148488 | Memory system and memory operation | Midori Aizawa, HARUKO TAKAHASHI | 2024-11-19 |
| 12046281 | Storage apparatus, storage control apparatus, and storage apparatus control method | — | 2024-07-23 |
| 12040004 | Storage device with counter | Hiroyuki Tezuka | 2024-07-16 |
| 11367496 | Memory circuit | Hiroyuki Tezuka | 2022-06-21 |
| 10916285 | Semiconductor storage device, information processing apparatus, and reference potential setting method | — | 2021-02-09 |
| 10902888 | Sense amplifier, semiconductor storage device, information processing apparatus, and reading method | — | 2021-01-26 |
| 10790019 | Semiconductor storage device and information processing apparatus | — | 2020-09-29 |
| 10068603 | Magnetic recording medium | Kunihiro Imai, Takako Matsumoto, Takeshi Watanabe, Akira Furuta, Kazuhiro Kusakawa | 2018-09-04 |
| 9919372 | Heat-bonding apparatus and method of manufacturing heat-bonded products | Jun Matsuda, Takayuki Suzuki | 2018-03-20 |
| 9730335 | Heat-bonding apparatus and method of manufacturing heat-bonded products | Jun Matsuda, Takayuki Suzuki | 2017-08-08 |
| 9579740 | Thermal processing apparatus | Hiroshi Akama, Yutaka Matsumoto, Hironobu Nishimura | 2017-02-28 |
| 9156101 | Soldering apparatus and manufacturing method of soldered product | Jun Matsuda, Takayuki Suzuki | 2015-10-13 |
| 8724415 | Storage control device controlling refresh frequency based on temperature | — | 2014-05-13 |
| 8659018 | Semiconductor device and integrated semiconductor device | Gaku Shimada | 2014-02-25 |
| 8321607 | Semiconductor memory device and multilayered chip semiconductor device | — | 2012-11-27 |
| 7786470 | Switching element | Haruo Kawakami, Hisato Kato, Nobuyuki Sekine, Keisuke Yamashiro | 2010-08-31 |
| 7645777 | Switching device | Nobuyuki Sekine, Haruo Kawakami, Hisato Kato, Keisuke Yamashiro, Kyoko Kato | 2010-01-12 |
| 6933091 | Photoconductor for electrophotography and quinomethane compound | Nobuyuki Sekine, Yoshihiro Ueno, Kenichi Ohkura | 2005-08-23 |
| 6852458 | Electrophotographic photoreceptor, and electrophotographic apparatus using the same | Kenichi Ohkura, Yoshihiro Ueno, Nobuyuki Sekine | 2005-02-08 |
| 6825359 | Quinomethane compounds | Kenichi Ohkura, Yoshihiro Ueno, Nobuyuki Sekine | 2004-11-30 |
| 6472514 | Electron transport compounds | — | 2002-10-29 |
| 6268095 | Photoconductor for electrophotography | — | 2001-07-31 |
| 5935746 | Electrophotographic photosensitive body containing butadiene-derivative | Motohiro Takeshima, Kei YAMAGUCHI | 1999-08-10 |
| 5888685 | Electrophotographic photoconductor | Ayako Tutui, Yoshimasa Tomiuchi, Kenji Kawate | 1999-03-30 |