Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7925998 | Delay calculating method in semiconductor integrated circuit | Noriko Ishibashi, Masaaki Hirata | 2011-04-12 |
| 7831949 | Method of designing semiconductor integrated circuit, designing apparatus, semiconductor integrated circuit system, semiconductor integrated circuit mounting substrate, package and semiconductor integrated circuit | Shinya Tokunaga, Mitsumi Ito, Koichi Seko, Hiroaki Suzuki, Hiroyuki Tanaka +2 more | 2010-11-09 |
| 7225418 | Operation analyzing method for semiconductor integrated circuit device, analyzing system used in the same, and optimization design method using the same | Kenji Shimazaki, Kazuhiro Sato, Takahiro Ichinomiya, Naoki Amekawa, Masaaki Hirata +1 more | 2007-05-29 |
| 7107557 | Method for calculation of cell delay time and method for layout optimization of semiconductor integrated circuit | — | 2006-09-12 |
| 6988254 | Method for designing semiconductor integrated circuit | Kazuhiro Satoh, Noriko Ishibashi | 2006-01-17 |
| 6938233 | Method and apparatus for designing semiconductor integrated circuit device based on voltage drop distribution | Kazuhiro Satoh, Noriko Ishibashi | 2005-08-30 |
| 6795802 | Apparatus and method for calculating temporal deterioration margin amount of LSI, and LSI inspection method | Hirokazu Yonezawa, Yoshiyuki Kawakami | 2004-09-21 |
| 6718529 | Method for calculation of cell delay time | — | 2004-04-06 |
| 6629299 | Delay library representation method, delay library generation method and delay calculation method using the delay library | — | 2003-09-30 |
| 6498515 | Semiconductor integrated circuit and method for designing the same | Yoshiyuki Kawakami | 2002-12-24 |
| 6396307 | Semiconductor integrated circuit and method for designing the same | Yoshiyuki Kawakami | 2002-05-28 |
| 6278964 | Hot carrier effect simulation for integrated circuits | Jingkun Fang, Hirokazu Yonezawa, Lifeng Wu, Yoshiyuki Kawakami, Alvin Chen +4 more | 2001-08-21 |
| 6047247 | Method of estimating degradation with consideration of hot carrier effects | Yoshiyuki Kawakami | 2000-04-04 |
| 6038397 | System for allocating the memory area of second data which value need not be preserved to another data of some of the processes | Katsuyuki Kaneko | 2000-03-14 |
| 5761081 | Method of evaluating signal propagation delay in logic integrated circuit | Yasuhiro Tomita, Ryuichi Yamaguchi, Hisakazu Edamatsu | 1998-06-02 |