| A miniaturized monolithic dual band filter using ceramic lamination technique for dual mode portable telephones H Miyake, S Kitazawa, T Ishizaki, T Yamada, Y Nagatomi 1997 IEEE MTT-S International Microwave Symposium Digest 2, 789-792, 1997 | 400 | 1997 |
| A very small dielectric planar filter for portable telephones T Ishizaki, M Fujita, H Kagata, T Uwano, H Miyake IEEE transactions on microwave theory and techniques 42 (11), 2017-2022, 1994 | 191 | 1994 |
| Dielectric filter having inter-resonator coupling including both magnetic and electric coupling T Ishizaki, M Fujita, H Ikeda, T Fujino US Patent 5,396,201, 1995 | 101 | 1995 |
| Balanced high-frequency device and balance-characteristics improving method and balanced high-frequency circuit using the same H Nakamura, T Nakatani, T Ishizaki US Patent 6,900,705, 2005 | 85 | 2005 |
| Dielectric filter with multiple resonators T Ishizaki, A Sasaki, Y Satoh, H Kushitani, H Nakakubo, T Nakamura, ... US Patent 5,719,539, 1998 | 78 | 1998 |
| Multilayer ceramic device including two ceramic layers with multilayer circuit patterns that can support semiconductor and saw chips T Yamada, K Uriu, T Matsumura, T Ishizaki US Patent 6,570,469, 2003 | 73 | 2003 |
| Dielectric filter, antenna duplexer T Maekawa, Y Sugaya, T Yamada, T Ishizaki US Patent 6,965,284, 2005 | 70 | 2005 |
| Antenna switch module, all-in-one communication module, communication apparatus and method for manufacturing antenna switch module M Adachi, K Uriu, T Ishizaki US Patent 6,975,271, 2005 | 67 | 2005 |
| Laminated electronic component, laminated duplexer and communication device K Uriu, H Nakamura, T Yamada, T Matsumura, H Kagata, K Kawakita, ... US Patent 6,822,534, 2004 | 60 | 2004 |
| Balanced dielectric filter T Ishizaki, T Yamada, H Nakakubo, S Kitazawa US Patent 6,222,431, 2001 | 59 | 2001 |
| High frequency switch and mobile communication equipment S Kitazawa, M Tanaka, T Ishizaki, T Yamada US Patent 6,586,786, 2003 | 56 | 2003 |
| Multilayered ceramic RF device T Ishizaki, T Yamada, H Kagata, M Sakakura US Patent 6,456,172, 2002 | 56 | 2002 |
| Dielectric resonator having a frequency tuning member spirally engaged with the cavity Y Satoh, M Hatanaka, T Ishizaki, Y Saka, T Nakamura US Patent 6,414,572, 2002 | 55 | 2002 |
| RF device and communication apparatus using the same T Yamakawa, T Yamada, T Ishizaki US Patent 6,985,712, 2006 | 52 | 2006 |
| A stepped impedance comb-line filter fabricated by using ceramic lamination technique T Ishizaki, T Uwano 1994 IEEE MTT-S International Microwave Symposium Digest (Cat. No. 94CH3389 …, 1994 | 52 | 1994 |
| Temperature compensated crystal oscillator T Ishizaki, Y Satoh, K Hashimoto US Patent 5,473,289, 1995 | 49 | 1995 |
| Laminated notch filter and cellular phone using the same T Ishizaki, I Awai, H Miyake, S Kitazawa, T Yamada US Patent 6,603,372, 2003 | 48 | 2003 |
| Diplexer, and high-frequency switch and antenna duplexer using the same K Uriu, T Yamada, T Ishizaki US Patent 6,975,841, 2005 | 46 | 2005 |
| An extended configuration of a stepped impedance comb-line filter T ISHIZAKI, T UWANO, H MIYAKE IEICE transactions on electronics 79 (5), 671-678, 1996 | 46 | 1996 |
| Method of direct bonding of crystals and crystal devices Y Satoh, K Hashimoto, T Ishizaki US Patent 5,319,324, 1994 | 42 | 1994 |
