Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5276499 | Spectrophotometer | Masaru Enomoto, Masaya Kojima | 1994-01-04 |
| D325176 | Spectro photometer | Kazunori Hashimoto, Kazuki Torai, Hitoshi Komatsu | 1992-04-07 |
| D323437 | Control table for spectro photometer | Kazunori Hashimoto, Kazuki Torai, Hitoshi Komatsu | 1992-01-28 |
| 5041727 | Spectrophotometer with near infrared radiation sensor having an improved sensitivity | Masaya Kojima | 1991-08-20 |
| 4981357 | Spectrophotometer having functions of both a double-monochromater and a single-monochromater | Yoshisada Ebata | 1991-01-01 |
| 4810089 | Photoelastic effect measuring device | Takeo Murakoshi, Masaki Yoshii, Shigeo Tohyama, Aizo Kaneda | 1989-03-07 |
| 4810872 | Optical property measuring device | Takeo Murakoshi | 1989-03-07 |