Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE40964 | Negative type resist composition | Masumi Suetsugu, Naoki Takeyama, Masanori Shinada | 2009-11-10 |
| 6329119 | Negative type resist composition | Masumi Suetsugu, Naoki Takeyama, Masanori Shinada | 2001-12-11 |
| 6156476 | Positive photoresist composition | Naoki Takeyama, Hiromi Ueki, Yuji Ueda, Yuko Nakano | 2000-12-05 |
| 5846688 | Photoresist composition | Nobuhito Fukui, Yuji Ueda, Naoki Takeyama, Yuko Yako, Shigeki Yamamoto | 1998-12-08 |
| 5800966 | Positive photoresist composition | Yuji Ueda, Naoki Takeyama, Hiromi Ueki | 1998-09-01 |
| 5585218 | Photoresist composition containing alkyletherified polyvinylphenol | Yuko Nakano, Naoki Takeyama, Yuji Ueda, Hiromi Oka | 1996-12-17 |
| 5420331 | Cyclic carbonate compounds, method for producing the same and positive photoresist composition using the same | Yuji Ueda, Naoki Takeyama, Hiromi Ueki | 1995-05-30 |
| 5397679 | Cyclic carbonate compounds, method for producing the same and positive photoresist composition using the same | Yuji Ueda, Naoki Takeyama, Hiromi Ueki | 1995-03-14 |
| 5395727 | Positive resist composition containing a novolak resin made from an aldehyde and dimer of isopropenyl phenol | Yasunori Uetani, Haruyoshi Osaki, Naoki Takeyama, Yuji Ueda, Hiromi Ueki | 1995-03-07 |
| 5304456 | Negative photoresist composition | Yuji Ueda, Hiromi Ueki, Naoki Takeyama | 1994-04-19 |
| 5077264 | Cyan dye-donor element used in thermal transfer and thermal transfer sheet using it | Yoshiaki Hayashi, Taira Fujita, Takeshi Hioki | 1991-12-31 |
| 4977261 | Anthraquinone compound | Yutaka Kayane, Takashi Omura, Naoki Harada, Yasuji Mori, Yosuke Yamamoto +1 more | 1990-12-11 |