The Chinese refer to the equipments as the "Four Treasures," ("文房四寶" in Chinese) they are the brush, ink (or ink stick), the paper, and and the inkstone.
Whiteley used Chinese calligraphy evidently in his 'Self Portrait in Studio 1976'
Yes
yes
If you are referring to Chinese Calligraphy, it is called 书法 shu(1) fa(3) in Mandarin.
Bingshou Yi has written: 'Moqing mo miao' -- subject(s): Calligraphy, Chinese, Chinese Calligraphy, History 'Qing Yi Bingshou xing shu shi zhou' -- subject(s): Calligraphy, Chinese, Chinese Calligraphy
Chinese calligraphers
Zhenkai Feng has written: 'Zhongguo shu fa xin shang' -- subject(s): Calligraphy, Chinese, Chinese Calligraphy 'Li dai ming bei tie jian shang' -- subject(s): Calligraphy, Chinese, Chinese Calligraphy, Historical markers
Jixun Kong has written: 'Yue xue lou shu hua lu' -- subject(s): Calligraphy, Calligraphy, Chinese, Catalogs, Chinese Calligraphy, Chinese Painting, Painting, Painting, Chinese, Private collections
Zhonggao. Du has written: 'Shu dao ji fa 1,2,3' -- subject(s): Technique, Calligraphy, Chinese, Calligraphy, Chinese Calligraphy
Du Qian has written: 'Songhu hua yi' -- subject(s): Calligraphy, Chinese, Chinese Calligraphy, Chinese Painting, Painting, Chinese
Ta Chu has written: 'Chu Ta' -- subject(s): Calligraphy, Chinese, Chinese Calligraphy, Chinese Painting, Exhibitions, Painting, Chinese
It's most likely Chinese Calligraphy, not Japanese. They would use it because Feng Shui comes from China.