Morio Nanbu

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Fujimi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Addition compound of fluoran compounds and ketone
- Patent number 4,695,640
- Issue date Sep 22, 1987
- Shin Nisso Kako Co., Ltd.
- Masakichi Yahagi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Fluoran compounds
- Patent number 4,687,862
- Issue date Aug 18, 1987
- Shin Nisso Kako Co., Ltd.
- Takeo Obitsu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Chromogenic materials employing fluoran compounds
- Patent number 4,680,598
- Issue date Jul 14, 1987
- Shin Nisso Kako Co., Ltd.
- Takeo Obitsu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Fluoran compound and color forming record materials using the same
- Patent number 4,668,967
- Issue date May 26, 1987
- Shin Nisso Kako Co., Ltd.
- Masakichi Yahagi
- C07 - ORGANIC CHEMISTRY